U.S. stocks opened lower on Wednesday, threatening to erase gains from earlier in the week after the latest batch of earnings reports left investors disappointed. The S&P 500 SPX fell 46 points, or 1.1%, to 3,971. The Nasdaq Composite COMP fell 192 points, or 1.7%, to 11,138. The Dow Jones Industrial Average DJIA fell 278 points, or 0.8%, at 33,455. Investors were responding to the latest batch of quarterly corporate earnings, including releases from Microsoft Corp. MSFT and Boeing Co. BA.
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