Top Analysts Action: KNL, QRVO, ACAT, AU, VRTX

Knoll (NYSE: KNL) BB&T Capital Mkts raises rating to buy from hold with $23.00 price target

Qorvo (NASDAQ: QRVO) Northland Capital raises to outperform from market perform, price target to $82.50 from $68.25; Ascendiant initiates coverage with buy rating, at $86.00 target price

Arctic Cat (NASDAQ: ACAT) Robert W. Baird raises to outperform from neutral

AngloGold (NYSE: AU) RBC Capital Mkts raises to outperform from sector perform

Vertex Pharm (NASDAQ: VRTX) Maxim Group lowers to hold from buy, price target to $121.00 from $148.00; Needham lowers to hold from buy

Qualcomm (NASDAQ: QCOM) Northland Capital lowers to market perform from outperform, price target to $70.00 from $85.00

Union First Mkt Banc (NASDAQ: UBSH) Compass Point lowers to neutral from buy, price target to $24.00 from $29.00

Masco (NYSE: MAS) Gabelli & Co initiates coverage at hold with $29.00 price target

Fortune Brands Home & Security (NYSE: FBHS) Gabelli & Co initiates coverage at hold with $50.00 price target

Norcraft (NYSE: NCFT) Gabelli & Co initiates coverage at buy with $27.00 price target

Gold Fields (NYSE: GFI) RBC Capital Mkts starts at sector perform

Greenhill (NYSE: GHL) MKM Partners lowers price target to $40.00 from $47.00 with neutral rating

Allegiant Travel (NASDAQ: ALGT) Imperial Capital raises price target $220.00 from $196.00 with outperform rating

Tupperware (NYSE: TUP) B. Riley & Co. lowers price target to $70.00 from $72.00 with neutral rating

Boeing (NYSE: BA) Canaccord Genuity raises price target to $160.00 from $150.00 with buy rating

Carrizo Oil & Gas (NASDAQ: CRZO) Canaccord Genuity raises price target to $55.00 from $48.00 with buy rating