FXStreet (Mumbai) - The major US equity index futures in the US dropped tracking the risk-off in Europe on account of the slide in the oil prices. At the time of writing, the Dow futures were indicating the index is likely to open 123 points or 0.80% lower. S&P 500 futures and Nasdaq futures were also down 0.80%. The oil rout and worries about a China slowdown continue to roil global markets. Moreover, oil remains at the center stage. Oil-services provider Schlumberger Ltd. fell 2% in premarket trading. Shares in Exxon Mobil Corp. dropped 3% after posting its fifth-straight quarterly profit decline. For more information, read our latest forex news.