NEW YORK ( TheStreet) -- CHANGE IN RATINGSA123 Systems ( AONE) upgraded at Barclays to Overweight from Equal Weight. Expect successful ramps at Fisker and favorable EV legislation, Barclays said. Price target jumped to $14. 2010 and 2011 EPS estimates raised to -$1.14 and -$0.76, respectively. Bemis ( BMS) upgraded at Deutsche from Hold to Buy. $36 price target. Recent acquisition builds scale and will help the company grow margins. BancorpSouth ( BXS) downgraded at BofA/Merrill to Neutral from Buy on growing credit concerns. Price target sunk to $15 from $22. CBOE ( CBOE) initiated at Citi with a Hold rating and $29 price target. Premier options franchise but see better value elsewhere, analysts said. CBOE Holdings ( CBOE) initiated at Credit Suisse with a Neutral rating and $27 price target. Will take advantage of growth in options trading. CBOE Holdings ( CBOE) initiated at Barclays with an Equal Weight rating and $27 price target. CBOE offers unique exposure to secular growth in equity derivatives, analysts said. CBOE Holdings ( CBOE) rated new Neutral at UBS. $29 price target. Company has an attractive model, but already trades at a significant premium to its peers. CBOE Holdings ( CBOE) initiated at JP Morgan. Initiated with a Neutral rating and $26 price target. Introduces 2010 EPS estimates of $1.19. Estee Lauder ( EL) downgraded at Oppenheimer from Perform to Underperform. Company faces macro headwinds, driven by a higher dollar. Ener1 ( HEV) initiated at Barclays with an Equal Weight rating and $4 price target. HEV is well positioned to take significant market share in the global battery market, Barclays said. Lender Processing ( LPS) downgraded at Oppenheimer from Outperform to Perform. Delinquent loan numbers remain very high. Omnicom ( OMC) downgraded at Morgan Stanley from Overweight to Equal-weight. Valuation call, based on a $43 price target. Patterson-UTI ( PTEN) upgraded at Jefferies from Hold to Buy. Active asset base is improving in quality. Sanderson Farms ( SAFM) downgraded at Morgan Stanley from Equal-weight to Underweight. $43 price target. But prices should rally, but chicken prices tend to lag.