After coming under pressure over the course of the previous session, stocks saw further downside during trading on Wednesday. The major averages showed a lack of direction early in the session but slid more firmly into negative territory as the day progressed.The major averages finished the day off their worst levels but still moderately lower. The Dow slid 171.50 points or 0.4 percent at 46,121.28, the Nasdaq fell 75.62 points or 0.3 percent to 22,497.86 and the S&P 500 dipped 18.95 points or 0.3 percent ...