Top Analyst Upgrades and Downgrades (ATK, AMZN, AMCX, AMGN, AAPL, ADSK, EBAY, FLEX, JNS, ORCL, TIF, WPRT, GS, JPM, UBS)
Jon OggThese are some of the top analyst upgrades, downgrades and initiations seen from Wall St. research calls this Friday. Alliant Techsystems Inc. (NYSE: ATK) cut to Market Perform at FBR Capital…