VF Corp VFC.N slumped 7.5% after Vans and The North Face parent's quarterly profit fell short of estimates. By Medha Singh and Krystal Hu May 21 (Reuters) - The S&P 500 and the Dow Jones Industrial Average rose on Friday, extending a recovery from the previous session, while inflation concerns still loom for growth stocks at the end of a volatile week of trading. IHS Markit's data showed U.S. business activity picked up in May amid strong domestic demand, but backlogs of uncompleted work are piling up as manufacturers struggle to find raw materials and labor.