By ANORA MAHMUDOVA REPORTER And BARBARA KOLLMEYER MARKETS REPORTER NEW YORK (MarketWatch) — U.S. stock futures signaled another day of stock losses on Wednesday, with investors on edge ahead of an upcoming European Central Bank meeting and as the earnings season so far has delivered less than stellar results. Market reaction to better-than-expected housing starts data was muted. Losses in futures accelerating from earlier in the morning, with the Dow Jones Industrial Average DJH5, -0.50% at last check, falling 87 points, or 0.5%, to 17,375, and those for the S&P 500 index SPH5, -0.28% down 6.6 points, or 0.4%, to 2,010.20. Futures for the Nasdaq 100 NDH5, -0.07% lost 13 points, or 0.3%, to 4,153. The Stoxx Europe 600 index SXXP, -0.45% fell after Ewald Nowotny said people “should not get overexcited” about Thursday’s meeting of the ECB, where he is a member of the governing council. Investors are anticipating that the central bank will