Nasdaq 100 futures (NQc1) jumped after the close as well, and were up about 17 percent from the 2015 intraday low hit on Aug. 24. During the regular session, McDonald’s (MCD.N) shares jumped 8.1 percent to $110.87, giving the Dow its biggest boost, after its quarterly results beat estimates as demand recovered in China. Dow Chemical (DOW.N) rose 5.1 percent to $49.92 after its results, while the S&P materials index (.SPLRCM) jumped 2.8 percent and led the S&P sector gains along with the industrials (.SPLRCI), also up 2.8 percent.