Ups and downs

DOWN to the possibility that U.S. Steel might shut down its Straightline online steel distribution company.

UP to Laurel Networks’ expansion into Hong Kong, Japan and South Korea. The Robinson Township telecommunications products company continues to expand despite a weakened marketplace overall for the industry.

DOWN to layoffs at North Pittsburgh Systems Inc., another signal that the telecom industry slump might not have reached bottom yet.

UP to an expansion by Mitsubishi Electric Power Products Inc. at Thorn Hill Industrial Park, paving the way for as many as 70 new jobs.

DOWN to a Chapter 11 filing by PMUS Ventures LLC for its Philthy McNasty’s Bar & Grill in Station Square.

UP to the acquisition of Eizel Technologies by Nokia, the Finland-based wireless telephone giant, in a $21 million deal. Company operations will remain here.

DOWN to a warning by Morgan Foods Inc., of Beachwood, Ohio, operator of KFC, Taco Bell and Pizza Hut Express restaurants in Pittsburgh, that it might not be in compliance with some requirements of its loan agreements and that it is looking for waivers from its lenders.

UP to a new Best Buy store at The Waterfront in Homestead, leaving less than 10 acres undeveloped in the Munhall complex.