Reuters - U.S. regulators are probing certain practices around "quote stuffing," where large numbers of rapid-fire stock orders are placed and canceled almost immediately, Securities and Exchange Commission Chairman Mary Schapiro said on Tuesday.
AFP - The head of the US stock market watchdog said on Tuesday that individual investors have been turning away from equities since a May crash that exposed weaknesses in Wall Street's trading structure.
AP - NYSE Euronext said Tuesday the trading volume for equity and derivative produces rose significantly in August, pushed up by a spike in U.S. equity trading.