(By Balaseshan) A number of stocks were upgraded and downgraded by equities research analysts on Thursday.
Groupon Inc. (NASDAQ: GRPN) downgraded to "Underperform" from "Neutral" at Bank of America/Merrill Lynch. Rating was cut to "Underperform" from "Market Perform" at Raymond James. The company's rating was lowered to "Market Perform" from "Outperform" at Wells Fargo. Shares dropped 23.04 percent to trade at $4.60.
GlaxoSmithKline Plc (NYSE: GSK) downgraded to "Underweight" from "Equal Weight" at Morgan Stanley. Shares inched 0.32 percent lower to trade at $44.13.
Joy Global Inc. (NYSE: JOY) upgraded to "Buy" from "Underperform" at Credit Agricole. Shares added 2.57 percent to trade at $64.90.
Riverbed Technology Inc. (NASDAQ: RVBD) downgraded to "Neutral" from "Buy" at Sterne Agee. Shares fell 4.43 percent to trade at $15.05.
Shire Plc (NASDAQ: SHPG) downgraded to "Neutral" from "Buy" at Nomura Securities. Shares decreased 2.02 percent to trade at $94.16.
Lamar Advertising Co. (NASDAQ: LAMR) upgraded to "Neutral" from Underweight" at Piper Jaffray. Shares gained 1.91 percent to trade at $46.32.
Edison International (NYSE: EIX) upgraded to "Outperform" from "Market Perform" at BMO Capital Markets. Shares inched 0.64 percent higher to trade at $47.54.
BroadSoft Inc. (NASDAQ: BSFT) downgraded to "Perform" from "Outperform" at Oppenheimer. The company's rating was cut to "Neutral" from "Buy" at Mizuho Securities. Shares plunged 27.21 percent to trade at $22.50.