(HOUSTON)Shares of GulfMark Offshore Inc., which transports materials, supplies and personnel for the offshore oil industry, jumped Wednesday after it said its third-quarter earnings jumped...READ MORE

(HOUSTON)GulfMark Offshore Inc., which services the offshore oil industry, said Tuesday that its quarterly profit jumped 52 percent to a record level on growth in the Southeast Asia region ...READ MORE

(NEW YORK)Standard & Poor's Inc. included 18 U.S. energy companies among 73 companies based in the United States that made its annual Global Challengers, a list released Wednesday of mid-siz...READ MORE

(NEW YORK)The executive vice president and chief financial officer of oil services provider GulfMark Offshore Inc. sold 10,000 shares of common stock, according to a Securities and Exchange ...READ MORE

Among the stock activity stories for Friday, May 30, from AP Financial News: NEW YORK (AP)--Shares of Tupperware Brands Corp. rose Friday as an analyst said he will not cut estimat...READ MORE

(NEW YORK)Shares of GulfMark Offshore Inc. surged to an all-time high Friday, a day after the oil service provider announced plans to buy private offshore vessel operator Rigdon Marine Corp....READ MORE

(HOUSTON)GulfMark Offshore Inc., which provides transportation services to the offshore energy industry, said Thursday it has agreed to buy private offshore vessel operator Rigdon Marine Co...READ MORE