Top Analyst Actions: B, MTH, CBK, AUO, SPKE

Barnes Group (NYSE: B) Deutsche Bank raises the rating to buy from hold with $42.00 price target

Meritage MTH Barclays raises to overweight from equal-weight, price target to $42.00 from $36.00

Christopher & Banks CBK Dougherty & Company raises to buy from neutral with $3.25 price target

AU Optronics AUO Citigroup raises to buy from sell

Spark Energy SPKE Wunderlich raises to buy from hold, price target to $22.00 from $20.00

MasTec MTZ Deutsche Bank lowers to hold from buy, price target to $20.00 from $22.00

Knight Transportation KNX Barclays lowers to equal-weight from overweight with $24.00 price target

Interface TILE Barclays lowers to underweight from equal-weight with $17.00 price target

American Equity Investment Life AEL Sandler O'Neill lowers to hold from buy

Acuity Brands AYI Credit Agricole lowers to outperform from buy; Canaccord raises price target to $269.00 from $247.00 with buy rating

Aecom Tech ACM Deutsche Bank initiates coverage at buy with $41.00 price target

WNS WNS Barrington Research starts at outperform

WhiteWave Foods WWAV Atlantic Equities starts at overweight

Hain Celestial HAIN Atlantic Equities starts at neutral

Advanced Micro AMD Craig Hallum starts at hold

ResMed RMD Barclays resumes coverage at underweight with $55.00 price target

Allergan AGN Morgan Stanley resumes at overweight with $300.00 price target

Pfizer PFE Morgan Stanley resumes at equal-weight with $35.00 price target; JP Morgan resumes at overweight with $38.00 price target

Biostage BSTG Maxim Group resumes at buy with $8.00 price target

Monsanto MON Deutsche Bank lowers price target to $100.00 from $105.00 with buy rating

Cree CREE Deutsche Bank lowers price target to $23.00 from $27.00 with hold rating

Silicon Motion SIMO Topeka Capital Markets raises price target to $42.00 from $37.00 with buy rating

Constellation Brands STZ UBS raises price target to $173.00 from $162.00 with neutral rating