Billionaire Soros Issues Stark Warning if 'Brexit' Happens

Billionaire investor George Soros is issuing a stark warning if Britain would vote this week to leave the European Union. He says Britain leaving the E.U. would lead to a currency and stock market disaster. He predicts a "Brexit' would cause the sterling to drop quickly, even more so than when the pound crashed in 1992-a move that made him a billionaire. Currency traders are placing bets against "Brexit' ahead of Thursday's vote. Homebuilder Lennar (LEN) - Get Report  beat second quarter profit forecasts. Profits were up 20% on higher home sales. Those homes sold were also at higher prices, which helped boost results. A California regulator has approved Aetna's (AET)  proposed merger with Humana (HUM) - Get Report . Aetna did have to meet certain conditions like premium increase limits and health initiatives. Federal Reserve Chairwoman Janet Yellen gives her semi-annual testimony before the Senate Banking Committee today.