Volatility Returns to Oil Trading

OPEC and its allies are expected to consider deeper supply curbs when they meet this weekend against a backdrop of a faltering global oil market. Su Keenan reports on Bloomberg Television. -------- Follow Bloomberg for business news & analysis, up-to-the-minute market data, features, profiles and more: http://www.bloomberg.com Connect with us on... Twitter:   / business   Facebook:   / bloombergbusiness   Instagram:   / bloombergbusiness