Wall Street falls as earnings weigh; Dow, S&P up for month

By Rodrigo Campos NEW YORK (Reuters) - U.S. stocks posted their largest weekly drop in more than two months on Friday as earnings reports continued to weigh, but the S&P 500 and Dow managed to close up for April after strong showings mid-month. Company results once more gave the market direction as a 9 percent decline in Gilead Sciences shares weighed the most on both the S&P and the Nasdaq Composite. Apple and Gilead, alongside Corning , Goodyear and Xerox are among the companies that r