Big Tech carries Wall Street higher despite uncertainty about the trade war

NEW YORK (AP) — Big Tech stocks carried major U.S. indexes higher to close out the market's latest roller-coaster week. The S&P 500 rose 0.7% Friday, adding to its big gains over the previous three days. Spurts for Nvidia and other influential tech stocks sent the Nasdaq composite up 1.3%. The Dow Jones Industrial Average lagged the other indexes with a gain of just 0.1%. More than half of the stocks within the S&P 500 fell as more CEOs said the uncertainty created by President Donald Trump's trade war is making it difficult to give financial forecasts for the upcoming…