CNBC | Futures trim losses after data; oil sinks below $28 CNBC U.S. stock index futures pointed to a sharply lower open, with Dow futures tumbling triple digits as European and Asian shares tumbled in the wake of renewed oil price weakness. European stocks fell sharply shortly after market open, with the pan ... World stock markets plunge as oil prices sink Japan's shares see sharp falls on oil worries Futures Drop, Global Stocks Slide on Oil Rout |