Short-selling ban in the United States in 2008 crisis didn't stop stocks from falling more than 20 percent. Critics blast short-selling ban in Europe as 'political smoke screen.'
Sarah Palin and Glenn Beck held a September 11 rally amid speculation that there would be a 'big' announcement. There wasn't.
Congress ponders its options – from better investment policing to a new watchdog.
Nearly 100 federal investigations are under way, but getting guilty verdicts is tough.
London and New York stopped a practice seen as pushing stocks down. But some say short-sellers are merely scapegoats.
Key members call for bipartisan effort after meeting with administration officials.