Benzinga's Top Upgrades - Assurant (NYSE:AIZ), AMC Enter Hldgs (NYSE:AMC)

Baird upgraded

Extended Stay America IncSTAY

from Neutral to Outperform. Extended Stay America shares closed at $19.00 on Friday. Analysts at JP Morgan upgraded

Teva Pharmaceutical Industries Ltd (ADR)TEVA

from Neutral to Overweight. Teva Pharmaceutical shares closed at $69.07 on Friday. SunTrust Robinson Humphrey upgraded

WebMD Health Corp.WBMD

from Neutral to Positive. WebMD Health shares closed at $43.58 on Friday. Analysts at FBR Capital upgraded

Torchmark CorporationTMK

from Underperform to Market Perform. Torchmark shares closed at $61.61 on Friday. Macquarie upgraded

NVIDIA CorporationNVDA

from Neutral to Outperform. NVIDIA shares closed at $19.95 on Friday. Goldman Sachs upgraded

CarMax, IncKMX

from Buy to Conviction Buy. CarMax shares closed at $64.52 on Friday. Analysts at Canaccord Genuity upgraded

Whiting Petroleum CorpWLL

from Hold to Buy. Whiting Petroleum shares closed at $20.48 on Friday. Analysts at Bank of America upgraded

Assurant, Inc.AIZ

from Underperform to Buy. Assurant shares closed at $74.58 on Friday. Analysts at Morgan Stanley upgrades

AMC Entertainment Holdings Inc AMC

from Equal-weight to Overweight. AMC Entertainment shares closed at $32.25 on Friday. BMO Capital upgraded

First Potomac Realty TrustFPO

from Market Perform to Outperform. First Potomac Realty shares closed at $11.35 on Friday.