Tesla IncTSLA.O advanced 3.4%, while chipmakers <.SOX> also gained ground. By Stephen Culp NEW YORK, July 13 (Reuters) - Wall Street stocks fluctuated on Wednesday as investors digested surprisingly strong U.S. inflation data, which fueled fears of a larger-than-expected interest rate hike from the Federal Reserve later this month. All three major U.S. stock indexes burst through the starting gate deep in negative territory on the heels of the Labor Department's highly anticipated Consumer Prices (CPI) data, but have since bounced off lows.