 BlackRock Inc. lowered its stake in shares of CymaBay Therapeutics Inc NASDAQ:CBAY by 1.0 during the first quarter, according to the company in its most recent disclosure with the Securities Exchange Commission. The fund owned 5,531,588 shares of the biopharmaceutical companys stock after selling 58,263 shares during the quarter. BlackRock Inc. owned about 8.03 ... 