Business News

AT&T Inc. invested nearly $150 million in its wireless network in Pennsylvania in the first six months of 2010. (T)

Ground was broken Wednesday on a new Ligonier Valley Ambulance Service base, a service operated by Greensburg-based hospital network Excela Health.

Victoria M. Holt, PPG Industries' senior vice president of the glass and fiber glass unit, resigned effective immediately, the company said in a written statement. (PPG)

Cheetah Technologies LP, a Greentree-based network performance and video quality management company, announced C-level promotions and some new additions to its management team.

PPG Industries is launching a new business group aimed at researching and commercializing glass and coatings technology for use in the solar power industry. (PPG)

Duquesne-based American Textile Co. announced this week it has opened an office in Davidson, N.C., to house product development and marketing leadership.

ClearCount Medical Solutions Inc. last week raised $5 million from investors, its largest capital infusion to date.

For college students, Pittsburgh is the sixth-best midsize metro area to live, according to a study released Wednesday by the American Institute for Economic Research.

Wall Street managed modest gains Wednesday. The Dow Jones Industrial Average finished trading at 10,387.01, up 46.32 points, or 0.45 percent. Nasdaq increased 19.98 points, or 0.90 percent, to 2,228.87. (AA) (AYE) (ATI) (AEO) (BK) (CNX) (DKS) (FII) (HNZ) (KMT) (KOP) (PNC) (PPG) (X) (WAB) (WCC)

PNC Financial Services Group Inc. is eliminating 83 positions in Chicago over the next several months, PNC (NYSE:PNC) spokesman Fred Solomon confirmed Wednesday. (PNC)

In a deal valued at $280 million, Mine Safety Appliances Co. is acquiring General Monitors, a California company that makes products used in oil and gas exploration, refining and other industrial uses. (MSA)

With the passing of Labor Day, the traditional end of the summer driving season, gasoline prices in western Pennsylvania fell two cents this week, according to the latest AAA Fuel Gauge report, released Tuesday.

Mortgage rates in Pennsylvania continued to fall over the past week, according to mortgage rate website Zillow.com.

President Barack Obama’s six-year, $50 billion plan to upgrade the nation’s transportation infrastructure could give Pittsburgh contractors a much-needed boost — provided Congress is on board.

A device developed by a West Deer company mapped a petroleum plume, measuring at least 22 miles long and more than 3,000 feet, under the surface of the Gulf of Mexico as a result of the BP Deepwater Horizon oil spill.

Boca Raton, Fla.-based Shubh Hotels Pittsburgh LLC, owner of the troubled Hilton Pittsburgh Downtown, filed for Chapter 11 bankruptcy protection from creditors today in the Western District of the United States Bankruptcy Court.

Wall Street took a hit Tuesday as the Dow Jones Industrial Average fell 107.24 points, or 1.03 percent, to 10,340.69. Nasdaq dropped 24.86 points, or 1.11 percent, to 2,208.89. (X) (AA) (AYE) (ATI) (AEO) (BK) (CNX) (DKS) (FII) (HNZ) (KMT) (KOP) (PNC) (PPG) (WAB) (WCC)

Buffalo, N.Y.-based Allpro Parking LLC is expanding into the Pittsburgh parking management market with the hiring of Alan E. Kraemer as vice president of business development.

PNC Financial Services Group Inc. Tuesday said Senior Vice Chairman William Demchak will assume supervisory responsibility for all PNC (NYSE:PNC) businesses, including the asset management group and retail banking. (PNC)

Millions upon millions of Americans are stressing out, and people in Pittsburgh aren't immune from the stress.