Benzinga’s Top Upgrades (COO, ATK, MMM, UNT, LQDT, SQNM)

The Cooper Companies, Inc. (NYSE: COO) was today upgraded by Wells Fargo to Outperform from Market Perform and raised the price target range to $41-$43 from $28-$30. COO is now trading at $37.35, 10.11% up. So far in 2009, COO has gained over 129%.

Alliant Techsystems Inc. (NYSE: ATK) fell 0.56% to $88.23. Today, Macquarie upgraded Alliant Techsystems from from Neutral to Outperform. The 52-week trading range for ATK is $60.76 - $91.39. So far in the current year, ATK has gained over 3%.

3M Company (NYSE: MMM) increased 1.40% to $78.19 after Citi upgraded 3M from Hold to Buy. The 52-week trading range for 3M is $40.87 - $79.25.

Unit Corporation (NYSE: UNT) was today upgraded by Suntrust from from Neutral to Buy with a $48 price target. Now, UNT is up 3.12% to $38.05. In the last six months, UNT has gained about 13%.

Liquidity Services, Inc. (NASDAQ: LQDT) was upgraded by Oppenheimer from to Outperform from Perform. The Price target is set to $15. LQDT is now trading at $9.98, 5.50% up. So far in the current year, LQDT has risen by 20%.

Sequenom, Inc. (NASDAQ: SQNM) was also upgraded by Auriga from Sell to Hold. The price target has been raised from $3 to $4. SQNM is now trading up 5.96% at $4.62. In the last six months, SQNM is down over 29%.