Powell says economy 'a ways off' from bond taper.BofA slips as low interest rates hurt lending business.July 14 - The S&P 500 ended with a gain after briefly hitting an intra-day record in a choppy session on Wednesday, as investors balanced worries about inflation with reassuring comments from Fed Chair Jerome Powell.Of the 11 S&P 500 sector indexes, utilities and consumer staples were among the strongest, while energy sank over 3%.U.S. monetary policy will offer "powerful support" to the econ