Asia stocks firm; S&P 500 +0.08%, Nasdaq 100 +0.29%

Asian session: S&P 500 futures up 0.08 percent and Nasdaq 100 futures up 0.29 percent, while Dow futures down 0.09 percent and Russell 2000 down 0.07 percent. USD/JPY down 0.21 percent; WTI up 1.35 percent to 94.29.