Company News for May 20, 2011

• Professional-networking site LinkedIn (NASDAQ:LNKD) made its debut at the New York Stock Exchange on Thursday. Share prices rocketed 109.44% to more than double to close at $94.25

• Pet-store chain PetSmart, Inc.’s (NASDAQ:PETM) shares gained 7.58% after the company reported its first-quarter profits late Wednesday exceeding the Street’s expectations

• According to a report in The Wall Street Journal, discount retailer Big Lots, Inc. (NYSE:BIG) has decided that it will not sell itself after bids for the company came in below expectations

• Shares of Casual Male Retail Group, Inc.’s (NASDAQ:CMRG) slid 6.64% to close at $3.94 after the large men’s clothing retailer reported a first-quarter profit that came in below analysts’ expectations

• AGL Resources Inc. (NYSE:AGL) was downgraded by UBS (NYSE:UBS) to "Neutral" rating from “Buy” rating with a target price of $42.00

• Jefferies downgraded Deere & Company (NYSE:DE) to "Hold" rating from “Buy” rating with a target price of $92.00, lower than the previous target price of $110.00

• U.S.-listed shares of Smart Technologies Inc (NASDAQ:SMT) fell 27.88% to close at $7.01 after the makers of digital white-boards forecasted a fall of 5% revenue for the fiscal year 2012

• Shares of Education Management Corp (NASDAQ:EDMC) were downgraded by Morgan Stanley (NYSE:MS) to "Underweight" rating from “Equal weight” rating with a target price of $16.00. The company cited the move as a valuation call

• NetLogic Microsystems, Inc. (NASDAQ:NETL) was downgraded by Morgan Stanley (NYSE:MS) to “Underweight” rating from “Equal weight” rating with a target price of $32.00