WASHINGTON - The most senior U.S. military officer raised the possibility that U.S. troops might need to take on a larger ground role as they fend off Islamic State militants in Iraq. Video | Full Article
NEW YORK - Investors looking to hedge their bets or speculate on the direction of Alibaba Group's stock after its expected public sale of shares on Friday, will be able to trade its options in two weeks, as U.S. options exchanges are expected to list contracts on the company. | Video
A suicide car bomber killed two U.S. troops and a Polish soldier in an attack on a convoy near the U.S. embassy in Kabul on Tuesday, the NATO-led coalition said, one of the worst attacks on international forces in the Afghan capital in months. Video | Full Article
U.S. President Barack Obama says Ebola is "spiraling out of control" and pledges military support in Liberia to help contain the deadly epidemic. Jillian Kitchener reports.