Among the stock activity stories for Wednesday, Sept. 26, from AP Business News:
— Shares of Halliburton Co. fell and Dahlman Rose & Co. lowered its profit forecast citing a sluggish outlook for oil and gas drilling in North America.
— Fortinet Inc. slid after news broke that its chief financial officer was leaving the security software company for Yahoo Inc.
— Shares of Capital Senior Living Corp., which operates senior housing communities, rose after a Raymond James analyst initiated coverage of the stock with a "Strong Buy" rating, saying that the shares are undervalued and poised for growth.
