Seven of ?the 11 S&P 500 sectors on Wall Street closed the day trading higher. (AP PHOTO)Seven of ?the 11 S&P 500 sectors on Wall Street closed the day trading higher. Microsoft jumped more than 15 per cent, boosting its stock market value by $US450 billion ($A640 billion), the greatest-ever single-day increase for a company on Wall Street. Strong earnings forecasts and a recent decline in share prices have left the S&P 500 trading at about 20 times expected earnings, just above its 10-year average of 19, according to LSEG data. Across the US stock market, advancing stocks outnumbered falling ones by a 2.2-to-one ratio.