Sensex falls more than 2 percent; SBI falters after earnings

MUMBAI (Reuters) – The BSE Sensex slumped more than 2 percent on Thursday to their lowest since May 2014 and headed for a fourth consecutive session of losses after U.S. Fed chair Janet Yellen kept options open for more rate hikes while State Bank of India fell after posting disappointing earnings. Yellen told Congress she does not expect to reverse the rate hike programme that began in December but said she saw risks to the U.S. economy. SBI gave up earlier gains of as much as 5.3 percen