Dollar plunges for second day on doubts over 2016 Fed rate hikes

By Sam Forgione NEW YORK (Reuters) - The U.S. dollar extended its plunge against major currencies on Thursday as traders sharply unwound bullish bets against the greenback on continued skepticism that the Federal Reserve would be able to hike interest rates this year. The dollar index, which measures the greenback against a basket of six major currencies, also hit its lowest level in more than 3-1/2 months, of 96.259 . Analysts said dovish comments from Fed president William Dudley to MNI on Wed