A half-hearted early rebound effort fizzled, leaving stocks lower near Wednesday's halftime.The Dow Jones industrial average was the worst off, down 0.5%. More than half of the blue-chip index's 30 stocks were lower. The S&P 500 lost 0.5% after giving up a 0.3% gain. And the Nasdaq turned a 0.5% gain into a fractional loss. Turnover was running sharply lower on both major exchanges in the stock market today. In... More