US equities extend downside on disappointing earnings

US equities are seen extending downside amid negative reaction to corporate earnings news from companies like Tesla and Alphabet. The major averages on Wall Street saw further downside late in the session, closing near their worst levels of the day. The Nasdaq plunged 654.94 points or 3.6 percent to 17,342.41, the S&P 500 dove 128.61 points or 2.3 percent to 5,427.13 and the Dow slumped 504.22 points or 1.3 percent to 39,853.87.