5 Things: Mastech shares drop 20 percent ... No sign of Listeria at bakery ... Longhi hopes Carnegie Way will revive U.S. Steel ... City Council moves to protect gender identity ... HFF to open office in Charlotte, N.C. (Video)

By: Pittsburgh Business Times via Business Journals

July 24, 2014 at 07:51 AM EDT

Here are five things to know for Thursday, July 24, 2014: Mastech shares drop 20 percent Shares in Pittsburgh-based IT services company Mastech Holdings Inc...