S&P 500 UNOFFICIALLY CLOSES UP 47.03 POINTS, OR 0.68 PERCENT, AT 6,968.49 DOW JONES UNOFFICIALLY CLOSES UP 237.68 POINTS, OR 0.48 PERCENT, AT 49,503.79 NASDAQ UNOFFICIALLY CLOSES UP 203.16 POINTS, OR 0.87 PERCENT, AT 23,683.18