Tech's slump continued to weaken U.S. markets on Wednesday as the Nasdaq sank 142 points or 0.67%. However, the S&P declined only 15 points and the Dow gained 16 to close just below 45,000. Major movers included Intel at -6.99%, Dell -4.97%, Target -6.33%, McKesson 3.85% and Analog Devices 6.26%.