 With the shares rallying 17% in the two trading days since the second quarter report, short sellers have lost an estimated $3.5 billion on a market-to-market basis. U.S. stocks finished today's session higher. The Dow Jones Industrial jumped 67. The S&P 500 gained 30. And the Nasdaq Composite set a record for the fourth day in a row, up 164 points. That's your money now.