NEW YORK ( TheStreet) -- CHANGE IN RATINGS AmerisourceBergen ( ABC) upgraded at Baird from Neutral to Outperform, Robert Baird said. $46 price target. Comps are easing and earnings growth should accelerate. Amgen ( AMGN) upgraded at Piper from Neutral to Overweight, Piper Jaffray said. $95 price target. Base business appears to have stabilized. Acme Packet ( APKT) downgraded at Pacific Crest to Sector Perform, Pacific Crest said. Company is seeing lower orders from its largest customers. BGC Partners ( BGCP) downgraded to hold at TheStreet Ratings. Boston Scientific ( BSX) downgraded to sell at TheStreet Ratings. Colgate-Palmolive ( CL) downgraded at Deutsche to Hold, Deutsche Bank said. Valuation call, based on a $105 price target. Coinstar ( CSTR) downgraded at Pacific Crest from Outperform to Sector Perform, Pacific Crest said. Company is seeing slower growth at Redbox. Dow Chemical ( DOW) downgraded at Morgan Stanley from Overweight to Equal-weight, Morgan Stanley said. Company faces macro headwinds in the near- and medium-term. Emcor ( EME) downgraded at FBR from Outperform to Market Perform, FBR Capital Markets said. $26 price target. Organic backlog continues to decline. Expedia ( EPXE) upgraded at Morgan Stanley to Equal-weight, Morgan Stanley said. Company has solid sales growth momentum. Green Dot ( GDOT) downgraded at JP Morgan from Overweight to Neutral, JP Morgan said. $20 price target. Estimates also cut, as the company slashed its guidance. Green Dot downgraded at JMP from Outperform to Market Perform, JMP Securities said. Estimates also cut, as the company is facing increased competition. Green Dot downgraded at KBW from Outperform to Market Perform, Keefe, Bruyette & Woods said. Estimates also cut, given the company's new guidance. $20 price target. HealthSouth Corporation ( HLS) downgraded at Jefferies to Hold from Buy, Jefferies said. $23 price target. Rate risk rises. Hold rating. Snyder's-Lance ( LNCE) rated new Hold at Deutsche Bank. Valuation call, based on a $24 price target. MetroPCS ( PCS) upgraded at Deutsche to Buy. $12 price target. Stock still has another 40% upside potential, as expectations remain low. QLogic ( QLGC) downgraded at Pacific Crest to Underperform, Pacific Crest said. Business is in a secular decline. Raytheon ( RTN) downgraded at BofA/Merrill from Buy to Neutral, Bank of America/Merrill Lynch said. Valuation call, based on a $56 price target.