Premarket roundup: US Steel, Omnicom

Among the premarket stories for Tuesday, April 28, from AP Financial News:

HARTFORD, Conn. (AP) _ Shares of United States Steel Corp. fell in premarket trading Tuesday, a day after the steelmaker reported its first quarterly loss in more than five years and predicted an operating loss in the second quarter.

NEW YORK (AP) _ Omnicom Group Inc. was upgraded at Deutsche Bank on Monday after proving it could hold down costs and preserve its profit margins despite a deep advertising slump.

BELLEVUE, Wash. (AP) _ Commercial truck maker Paccar Inc. said Tuesday its first-quarter profit tumbled 91 percent, citing the continued effects of the slow economy on the global shipping industry.

NEW YORK (AP) _ Warm weather is driving consumers to malls, and "pent-up demand" for clothing, especially from teenagers, may boost retailers' sales this summer, said an analyst on Tuesday.

HARTFORD, Conn. (AP) _ An analyst downgraded Weyerhaeuser Co. late Monday, saying the timber and wood products company's shares are fairly valued following a recent rally in stock price.

NEW YORK (AP) _ Check Point Software Technologies Ltd. is seeing its core Internet security business weaken faster than expected, a Deutsche Bank analyst said, downgrading shares to "Hold" from "Buy."