By David French (Reuters) – Wall Street ended little changed on Friday after a volatile session in which investors tried to comprehend how a robust jobs report would influence the U.S. Federal Reserve and its plans to aggressively hike interest rates. Despite the bumpy nature of the day though, the Nasdaq posted its fifth straight gain – its longest winning streak since the beginning of November – and all three benchmarks finished solidly up for the week shortened by the Independence Day holiday. The Labor Department’s closely awaited data showed nonfarm payrolls rose by 372,000 jobs in June, …