USMD Holdings, Inc. (NASDAQ:USMD) rating falls this week to an F (“strong sell”), down from last week’s D (“sell”). In Portfolio Grader’s specific subcategories of Earnings Growth and Margin Growth, USMD also gets F’s. Shares of the stock have been trading at an exceptionally rapid pace, up fourfold from the week prior. USMD Holdings Inc (NASDAQ:USMD) stock performance was 6.70% in last session and finished … Continue reading Microcap Volatile Stocks: USMD Holdings (NASDAQ:USMD), BlueLinx Holdings (NYSE:BXC), Lentuo International (NYSE:LAS), GTT Communications (NYSEMKT:GTT), Diversified Restaurant Holdings, (NASDAQ:BAGR)