Top Analyst Actions: CHU, BITA, CBS, FEYE, CRH

China Unicom CHU Credit Agricole raises rating to buy from outperform

Bitauto Holdings BITA Credit Suisse raises to outperform from neutral

CBS CBS Wells Fargo raises to outperform from market perform

FireEye FEYE Piper Jaffray raises to overweight from neutral, price target to $24.00 from $15.00

CRH Plc. CRH Jefferies raises to buy from hold

Groupon GRPN UBS lowers to sell from neutral with $3.20 price target

Yelp YELP UBS lowers to sell from neutral with $17.00 price target

Crane CR Seaport Global Securities lowers to accumulate from buy with $54.00 price target

Circor CIR Seaport Global Securities lowers to neutral from accumulate with $39.00 price target

Preferred Apt. Communities APTS Compass Point lowers to neutral from buy, price target to $12.00 from $12.50

GigOptix (NYSE MKT: GIG) Ladenburg Thalmann initiates coverage at buy

BHP Billiton BHP Argus starts at hold with $28.00 price target

MSG Networks MSGN Credit Agricole starts at underperform with $19.00 price target

Ardelyx ARDX Cantor Fitzgerald starts at buy with $19.00

Determine DTRM Maxim Group starts at buy with $4.50

Manitowoc MTW Goldman resumes coverage at neutral with $3.25 price target

Computer Sciences CSC Goldman resumes coverage at neutral

Primo Water PRMW Barrington Research raises price target to $10.00 from $9.50 with outperform rating

Dick's Sporting Goods DKS UBS raises price target to $51.00 from $42.00 with buy rating

Discovery DISCA UBS lowers price target to $31.00 from $32.00 with neutral rating

Schlumberger SLB UBS lowers price target to $86.00 from $87.00 with buy rating

Vital Therapies VTL Canaccord Genuity raises price target to $10.00 from $8.00 with buy rating