英语听力精选进阶版 16847（在线收听）

WBR: Wall Street Update 12 Jan 2015

Mon, 12 Jan 15

The Twitter account of the US military's Central Command was hacked by a group claiming to back Islamic State. The BBC's Rory Cellan-Jones has been following the story. And as the price of oil continues to fall, Peter Jankovskis from Oakbrook Investments in Chicago tells us how the US markets are reacting.