Critics complain it skews toward wealthy.
Strong dollar stifles returns.
Mortgage rates edged down this week, reflecting a decline in Treasury bond yields in recent weeks. Changes aim to reduce appearance of impropriety, though probe found none. Five Texas firms offering day-trading services settled allegations that they violated various industry rules, the regulatory arm of the National Assn. of Securities Dealers said Thursday. Here's a guide to how it will work. Charge related to decline in value of firm's venture capital arm is seen wiping out second-quarter earnings.