It seems legendary hedge fund billionaire George Soros might be souring in his view on the market outlook for US stocks, based on his most recent 13-F filing in the US which showed a 605% increase in his short S&P 500 position (through put options on 11.29 million shares of SPDR S&P 500 ETF) to $2.2 billion. In a 13-F filing three months ago, Soros' fund had puts on 1.6 million shares, valued at $299.264 at the time. Even though he is still net long stocks, this took the short position (where he owns an option which will profit from a fall in stocks prices) on the S&P 500 from 2.96% of his Soros Funds Management ... (full story)