(By Balachander) A number of stocks were upgraded and downgraded by equities research analysts on Thursday.
Bed Bath & Beyond Inc. (NASDAQ: BBBY): BofA/Merrill downgraded rating on the stock to "neutral" from "buy". Shares tumbled 8.30 percent to trade at $55.27.
Freeport-McMoRan Copper & Gold Inc. (NYSE: FCX): Deutsche Bank upgraded rating on the stock to "buy" from "hold". Shares fell 1.12 percent to trade at $33.57.
FLIR Systems Inc. (NASDAQ: FLIR): Sterne Agee upgraded rating on the stock to "buy" from "neutral". Shares traded 1.81 percent higher at $21.95.
SandRidge Energy Inc. (NYSE: SD): KeyBanc downgraded rating on the stock to "hold" from "buy". Shares traded 4.15 percent lower at $6.23.
Seagate Technology Plc (NASDAQ: STX): Craig-Hallum upgraded rating on the stock to "buy" from "hold". Shares inched up 0.10 percent to trade at $30.35.
Silgan Holdings Inc. (NASDAQ: SLGN): Goldman Sachs downgraded rating on the stock to "neutral" from "sell". Shares lost 0.23 percent to trade at $42.60.