and services used by businesses and institutions mainly in the United States and Canada, with expanding global operations.Hhgregg (NYSE:HGG): Young Charles B. (Chief Human Resources Officer) sold 7,000 shares at a price of $17.46.HHgregg, Inc. is a specialty retailer of consumer electronics, home appliances and related services operating under the name hhgregg.Hittite Microwave Corp. (NASDAQ:HITT)