Stocks drift near flat as virus impact weighed, oil on track for weekly gain

NEW YORK (Reuters) - Major world stock indexes were little changed on Friday as investors further assessed the economic fallout of China's coronavirus outbreak, while oil prices were on track for their first weekly gain since early January.An upbeat forecast from Nvidia offset some of the U.S. equity market concerns, and helped to lift the Nasdaq and S&P 500 slightly.Chinese health authorities reported more than 5,000 new cases of coronavirus on Friday."Investors are definitely keeping an eye..