"The chairman of U.S. discount brokerage giant Charles Schwab (Nasdaq:SCHW) has come out strongly in favor of the move, arguing that reimplementation of the uptick rule is a necessary step toward reducing market volatility and restoring investor confidence."
http://community.investopedia.com/news/IA/2009/Upticked-Off-MS-C-SCHW-TROW0116.aspx
http://community.investopedia.com/news/IA/2009/Upticked-Off-MS-C-SCHW-TROW0116.aspx