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###### Securities and Exchange Commission

          - [Release No. 34-42916; File No. SR-CHX-00-17]

                    Pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (“Act”),[1]                                          and Rule 19b-4 thereunder,[2]                                          notice is hereby given that on June 1, 2000, the Chicago Stock Exchange, Incorporated (“CHX” or “Exchange”) filed with the Securities and Exchange Commission (“Commission” or “SEC”) the proposed rule change as described in Items I, II and III below, which Items have been prepared by the Exchange. The Exchange filed the proposal pursuant to Section 19(b)(3)(A) of the Act,[3]                                          and Rule 19b-4(f)(6) thereunder,[4]                                          which renders the proposal effective upon filing with the Commission.[5]                                          The Commission is publishing this notice to solicit comments on the proposed rule change from interested person.                

## I. Self-Regulatory Organization's Statement of the Terms of Substance of the Proposal

The Exchange proposes to amend Article XXA, Rules 8 and 12 of the Exchange's rules, to permit entry and execution of “immediate or cancel” (“IOC”) limit orders during the Exchange's extended trading hours session (“E-Session”). The text of the proposed rule is below. Additions are in italics.

## Chicago Stock Exchange Rules

## Article XXA

## Trading Rules and Procedures Applicable to Equity Trading During the Extended Trading Session

* * * * *

#### Manner of Making Bids and Offers

                    Rule 8. The only orders eligible to be entered during the E-Session are unconditional limit orders                     *or immediate or cancel limit orders*                     for E-Session Eligible Securities. These orders shall be electronically and directly transmitted, via MAX, to the specialist's limit order book; except that Floor Brokers (1) may route limit orders via MAX to the specialist's limit order book or, where permissible, transmit them to another market; or (2) may, after receiving a limit order to buy and a limit order to sell an equivalent amount of the same security (a) execute the orders at the specialist's post pursuant to Article XX, Rule 23 or (b) route the orders via MAX to the specialist's limit order book. NASDAQ System market makers, acting in their capacities as market makers, shall have direct telephone access to the specialist post in each NASDAQ/NM Security in which that market maker is registered as market maker to transmit orders for execution on the Exchange.                

Rule 9. No change in text.

Rule 10. No change in text.

Rule 11. No change in text.

                    Rule 12. No member or member organization may accept an order from a non-member for execution in the E-Session without first disclosing to that non-member that: (1) Orders for E-Session Eligible Securities are eligible only for a single E-Session and, if not executed during that E-Session, shall automatically be canceled; (2) unconditional limit orders                     *and immediate or cancel limit orders*                     are the only orders that are eligible for execution in the E-Session; (3) there is likely to be less liquidity during trading that occurs once normal trading hours have ended and, as a consequence, there may be greater fluctuations in securities prices; and (4) distinct systems and facilities trade securities after normal trading hours have ended and, as a consequence, at any particular time, quotations and transaction prices for a security may vary among those systems.                

### * * * Interpretations and Policies

*.01  For purposes of this article “immediate or cancel” orders are limit orders requiring the broker or specialist to purchase or sell as much of the order as can be executed as soon as the order is received, with the unexecuted balance of the order to be canceled immediately,*      ( print page 38016)    

## II. Self-Regualtory Organization's Statement of the Purpose of, and Statutory Basis for, the Proposed Rule Change

In its filing with the Commission, the CHX included statements concerning the purpose of and basis for its proposal and discussed any comments it received regarding the proposal. The text of these statements may be examined at the places specified in Item IV below. The CHX has prepared summaries, set forth in Sections A, B and C below, of the most significant aspects of such statements.

### A. Self-Regulatory Organization's Statement of the Purpose of, and Statutory Basis for the Proposed Rule Change 

#### 1. Purpose

The Exchange proposes to amend Article XXA, Rules 8 and 12 of the Exchange's rules to permit entry and execution of IOC limit orders during the E-Session. The Exchange proposes that this change take effect on or after June 15, 2000.

                    On October 13, 1999, the Commission approved rules allowing the Exchange to implement the E-Session.[6]                                          During the E-Session, which operate between 3:30 p.m. and 5:30 p.m., Central Time, Exchange specialists and floor brokers currently may only accept and execute unconditional limit orders in selected eligible securities. The Exchange proposes to amend its rules to permit CHX specialists and floor brokers to execute both unconditional limit orders and IOC limit orders. IOC limit orders are limit orders that require the executing broker or specialist to purchase or sell as much of the order as can be executed as soon as the order is received, with the unexecuted balance of the order to be canceled immediately. For example, if a specialist is quoting a market of 50/ 50                    1/4                     3000 shares up, and the specialist receives an IOC limit order to buy 500 shares at 50                    1/4                    , the specialist would fill the order up to 300 shares and cancel the remainder of the order. Similarly, if a specialist with the same quote receives an immediate or cancel limit order to buy 500 shares at 50                    1/8                    , a price away from the market, the specialist would not fill any portion of the order and it would be canceled immediately.                

                    The Exchange seeks to add IOC limit orders to the E-Sesson to facilitate an anticipated linkage with other participants in the after-hours trading environment. Beginning June 15, 2000, the Exchange hopes to have in place a linkage with a group of electronic communications networks (“ECNs” that would allow CHX quotes to be displayed and accessible to participating markets.[7]                                          In this new environment, an order handling system maintained by one of the ECNs would seek out the best bid or offer among participating ECNs and the Exchange, and would route an order to that market. Because many ECNs accept IOC limit orders during their after-hours trading sessions, the Exchange can participate in this linkage only if it has the ability to accept and execute IOC limit orders.                

Given the anticipated benefits of this linkage, and the relative lack of risk to investors if IOC limit orders are rendered eligible for the E-Session, the Exchange believes that the proposed rule change is warranted.

#### Statutory Basis

                    The CHX believes the proposed rule change is consistent with the requirements of the Act and the rules and regulations thereunder that are applicable to a national securities exchange, and, in particular, with the requirements of Section 6(b) of the Act.[8]                                          The Exchange believes the proposed rule change is consistent with Section 6(b)(5) of the Act [9]                                          in that it is designed to promote just and equitable principles of trade, to remove impediments to, and to perfect the mechanism of, a free and open market and a national market system, and, in general, to protect investors and the public interest.                

###                     B.                     *Self-Regulatory Organization's Statement of Burden on Competition*

The Exchange does not believe that the proposed rule change will impose any inappropriate burden on competition.

###                     C.                     *Self-Regulatory Organization's Statement on Comments on the Proposed Rule Change Received From Members, Participants or Others*

No written comments were either solicited or received.

## III. Date of Effectiveness of the Proposed Rule Change and Timing for Commission Action

Because the foregoing proposed rule change does not:

(i) Significantly affect the protection of investors or the public interest;

(ii) Impose any significant burden on competition; and

                    (iii) Become operative for 30 days from the date on which it was filed, or such shorter time as the Commission may designate, it has become effective pursuant to Section 19(b)(3)(A) of the Act [10]                                          and Rule 19b-4(f)(6) thereunder.[11]                                          At any time within 60 days of the filing of the proposed rule change, the Commission may summarily abrogate such rule change if it appears to the Commission that such action is necessary or appropriate in the public interest, for the protection of investors, or otherwise in furtherance of the purposes of the Act.                

                    The Exchange has requested that the Commission accelerate the operative date. The Commission finds that it is appropriate to designate the proposal to become operative as of June 15, 2000 because such designation is consistent with the protection of investors and the public interest. Acceleration of the operative date will allow the CHX to participate in a linkage with other participants in the after-hours trading environment, thereby improving transparency in the after-hours environment, and allowing investors greater choices with regard to the types of orders they may place after-hours. For these reasons, the Commission finds good cause to designate that the proposal become operative as of June 15, 2000.[12] 

## IV. Solicitation of Comments

                    Interested persons are invited to submit written data, views, and arguments concerning the foregoing, including whether the proposal is consistent with the Act. Persons making written submissions should file six copies thereof with the Secretary, Securities and Exchange Commission, 450 Fifth Street, N.W., Washington, D.C. 20549-0609. Copies of the submission, all subsequent amendments, all written statements with respect to the proposed rule change that are filed with the Commission, and all written communications relating to the proposed rule change between the Commission and any person, other than those that may be withheld from the public in accordance with the provision of 5 U.S.C. 552, will be available for inspection and copying in the Commission's Public Reference Room. Copies of such filing will also be available for inspection and copying at the principal office of the CHX. All                           ( print page 38017)                        submissions should refer to file number SR-CHX-00-17 and should be submitted by July 10, 2000.                

                        For the Commission, by the Division of Market Regulation, pursuant to delegated authority.[13] 

Margaret H. McFarland,

Deputy Secretary.

# Footnotes

1.                             15 U.S.C. 78s(b)(1).                    
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2.                             17 CFR 240.19b-4.                    
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3.                             15 U.S.C 78s(b)(3)(A).                    
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4.                             17 CFR 240.19b-4(f)(6).                    
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5.                             The Exchange provided the Commission with written notice of its intent to file the proposal on May 24, 2000, pursuant to Rule 19b-4(f)(6). 17 CFR 240.19b-4(f)(6).                    
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6.                                                     *See*                         Securities Exchange Act Release No. 42004 (October 13, 1999), 64 FR 56548 (October 20, 1999).                    
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7.                             CHX quotes would continue to be publicly displayed as required by the CTA and CQ plans.                    
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8.                             15 U.S.C. 78f(b).                    
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9.                             15 U.S.C. 78f(b)(5).                    
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10.                             15 U.S.C. 78s(b)(3)(A).                    
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11.                             17 CFR 240.19b-4(f)(6).                    
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12.                             For purposes only of accelerating the operative date of this proposal, the Commission has considered the proposed rule's impact on efficiency, competition, and capital formation. 15 U.S.C. 78c(f).                    
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13.                                 17 CFR 200.30-3(a)(12).                        
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[FR Doc. 00-15346  Filed 6-16-00; 8:45 am]

BILLING CODE 8010-01-M