"NASDAQ confirmed it is leading an effort to introduce a "Modified Uptick Rule" (NDAQ) 22.93 -0.80 : Co confirmed it is leading an effort to introduce a "Modified Uptick Rule," a rule that would modernize and enhance current rules designed to prevent abusive short selling. In a letter to the Securities and Exchange Commission today, NASDAQ OMX, together with BATS, the National Stock Exchange and NYSE Euronext proposed the new restrictions on short selling as the SEC begins to consider rules to eliminate abusive short selling from the market."