U.S. bond funds add to streak gathering new cash -ICI

By Trevor Hunnicutt NEW YORK, Aug 24 (Reuters) - U.S.-based bond funds added a seventh week to their rip-roaring sales streak, attracting $8.9 billion as investors doubled down on corporate and municipal debt, data from trade group Investment Company Institute showed on Wednesday. Taxable bond funds, which include corporate debt, gathered $7.1 billion during the week ended on Aug. 17, the data showed. Corporate debt has become a hot commodity in a world of increasingly negative bond