NEW YORK (TheStreet) -- TheStreet Ratings team reiterates its "buy" rating on Microsoft with a ratings score of A-. The stock was flat at $44.40 at 11:20 a.m. on Friday. TheStreet Ratings Team has this to say about their recommendation: "We rate MICROSOFT CORP (MSFT) a BUY. This is based on the convergence of positive investment measures, which should help this stock outperform the majority of stocks that we rate.