US stocks ends in red; Tech sector weighs

US equities pulled back and dropped lower on Wednesday, although the indices managed to come off their worst levels by the end of the day. The major averages climbed well off their worst levels in the latter part of the session but remained in the red. The tech-heavy Nasdaq slumped 198.79 points or 1.1 percent to 17,556.03, the S&P 500 slid 33.62 points or 0.6 percent to 5,592.18 and the Dow fell 159.08 points or 0.4 percent to 41,091.42.