Among the stock activity stories for Wednesday, July 23, from AP Financial News:
NEW YORK (AP) _ Shares of Mirant Corp. touched an 18-month low Wednesday after an analyst downgraded the power plant owner, citing concern about the company's use of coal.
NEW YORK (AP) _ Merrill Lynch & Co. shares edged lower Wednesday after it amended agreements with money manager BlackRock Inc., in which it owns a 49.8 percent stake.
NEW YORK (AP)_ Shares of biotechnology company Gilead Sciences Inc. rose Wednesday after the company said it started a late-stage study of a new HIV treatment candidate.
NEW YORK (AP) _ Shares of Caterpillar Inc., which makes heavy construction vehicles and equipment, sank Wednesday as investors focused on the company's rising raw materials costs plus weaker U.S. and European markets instead of its strong second-quarter results.
NEW YORK (AP) _ Shares of C.H. Robinson Worldwide Inc. plunged Wednesday after the transportation logistics company's second-quarter earnings missed Wall Street's expectations and an analyst downgraded the stock.
NEW YORK (AP) _ Shares of Lincoln Electric Holdings Inc. jumped Wednesday after the welding products maker said second-quarter profit rose 27 percent.