CNBC | Dow futures off 300 pts; oil sinks below $28 CNBC U.S. stock index futures pointed to a sharply lower open, with Dow futures sinking 300 points 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-European ... Dow futures off more than 300 pts; oil sinks below $28 Dow futures fall more than 300 points as oil, Asia selloff rattle investors |