Stocks reversed higher at the closing bell Monday, ending a four-session skid despite another rout in China’s stock market and a further drop in oil prices. The Dow Jones industrial average rose 0.3% and the S&P 500 edged up 0.1%, while the Nasdaq dipped 0.1%. Volume in the stock market today rose 10% on the Nasdaq and 6% on the NYSE compared with Friday, according to preliminary data.