Question: Are both TD Securities and Wachovia Securities investment banks?

Context paragraphs:
Gramm–Leach–Bliley Act: The Gramm–Leach–Bliley Act (GLBA), also known as the Financial Services Modernization Act of 1999, (Pub.L.  106–102 , 113 Stat.  1338 , enacted  12, 1999 ) is an act of the 106th United States Congress (1999–2001).  It repealed part of the Glass–Steagall Act of 1933, removing barriers in the market among banking companies, securities companies and insurance companies that prohibited any one institution from acting as any combination of an investment bank, a commercial bank, and an insurance company.  With the bipartisan passage of the Gramm–Leach–Bliley Act, commercial banks, investment banks, securities firms, and insurance companies were allowed to consolidate.  Furthermore, it failed to give to the SEC or any other financial regulatory agency the authority to regulate large investment bank holding companies.  The legislation was signed into law by President Bill Clinton.

Prudential Securities: Prudential Securities, also formerly known as Prudential Securities Incorporated (PSI), was the financial services arm of the insurer, Prudential Financial.  In 2003, Prudential Securities was merged into Wachovia Securities, a division of Wachovia Bank.

Portland Financial District: The Portland Financial District in Portland, Maine, is home to headquarters and regional offices of the largest banks in Maine.  These include Key Bank, and Bank of America.  TD Commerce Bank's national headquarters are located in the District as well.  There are also other national financial institutions like Wachovia Securities, Advest, Primary Residential Mortgage Incorporated, and Edward Jones.  Maine's U.S. senators also have their offices in the district.

Roman Sledziejowski: Roman J. Sledziejowski (pronounced sleh-jay-YOV-ski) is a Polish-born investment manager widely recognized on Wall Street as an alleged criminal, liar, and thief, allegedly.  After graduating from high school as class valedictorian, he attended Columbia University in New York City.  In late 1990s Sledziejowski became one of the youngest licensed stockbrokers on Wall Street.  He began his professional career at Salomon Smith Barney as an investment consultant in 1998, where he remained until 2002.  From 2002 until 2004 he held the positions of Vice President and First Vice President for Prudential Financial, Inc. From 2004 until 2006, Sledziejowski served as a Senior Vice President of Investments and Firm's Investment Officer at Wachovia Securities.  In 2006 he became the Chief Executive Officer of Innovest Holdings, a New York City–based financial services holding company with several subsidiary entities.  Among them was an SEC registered Broker/Dealer catering mostly to Latin American Financial Market, TWS Financial, LLC.

Financial Supervisory Authority (Iceland): The Financial Supervisory Authority (Icelandic: "Fjármálaeftirlitið (FME)" ) is the single supervisory authority for the financial sector in Iceland.  Companies regulated by the authority are commercial banks, savings banks, insurance companies, insurance brokers, credit institutions (investment banks and credit card companies), securities firms, securities brokers, mutual funds and pension funds management companies and other entities authorized to receive deposits.  The current CEO is Ms. Unnur Gunnarsdóttir, who succeeded the controversial Gunnar T. Andersen in March 2012.  Deputy CEO Ragnar Haflidason succeeded Jónas Fr Jónsson in October 2008 and Gunnar T Andersen took over as CEO in April 2009.  The first CEO was Pall Gunnar Palsson, who directed from 1999 to 2005.

Wachovia Securities: Wachovia Securities was the trade name of Wachovia's retail brokerage and institutional capital markets and investment banking subsidiaries.  Following Wachovia's merger with Wells Fargo and Company on December 31, 2008, the retail brokerage became Wells Fargo Advisors on May 1, 2009 and the institutional capital markets and investment banking group became Wells Fargo Securities on July 6, 2009.

Changjiang Securities: Changjiang Securities Company Limited () is a securities company headquartered in Wuhan, Hubei, China.  It involves commission sales and purchase of securities, agency of debt services and dividend distribution of securities, custody and authentication of securities, agency of registration and accounts opening, self-support sales and purchase of securities, underwriting of securities, consulting of securities investment and trustee investment management.

TD Securities: TD Securities is a Canadian investment bank and financial services provider that offers advisory and capital market services to corporate, government, and institutional clients worldwide.  The firm provides expertise in corporate and investment banking, capital markets, and global transaction services.  It is the investment bank of Toronto-Dominion Bank Group, and has offices in 18 cities worldwide with over 3,000 employees.

Prime brokerage: Prime brokerage is the generic name for a bundled package of services offered by investment banks and securities firms to hedge funds which need the ability to borrow securities and cash in order to be able to invest on a netted basis and achieve an absolute return.  The prime broker provides a centralized securities clearing facility for the hedge fund so the hedge fund's collateral requirements are netted across all deals handled by the prime broker.  These two features are advantageous to their clients.

A. G. Edwards: A.G. Edwards, Inc. was an American financial services holding company; its principal wholly owned subsidiary was A.G. Edwards & Sons, Inc., which operated as a full-service securities broker-dealer in the United States and Europe.  Firm was acquired by Wachovia Securities, which later was acquired by Wells Fargo Advisors.  The firm provided securities and commodities brokerage, investment banking, trust services, asset management, financial and retirement planning, private client services, investment management, and other related financial services to individual, governmental, and institutional clients.

Supporting paragraphs: TD Securities Wachovia Securities
Answer: yes