Ratings on (WRES) (WTM) (WTS) (AUY) Upgraded by Analysts

Analysts upgraded ratings on Warren Resources, Inc. (NASDAQ: WRES), White Mountains Insurance Group, Ltd. (NYSE: WTM), Watts Water Technologies, Inc. (NYSE: WTS) and Yamana Gold (NYSE: AUY) today.

Keybanc upgraded Warren Resources, Inc. (WRES) from an “underweight” rating to a “hold” rating.

Janney Montgomery Scott upgraded White Mountains Insurance Group, Ltd. (WTM) from a “neutral” rating to a “buy” rating.

Davenport upgraded Watts Water Technologies, Inc. (WTS) from a “neutral” rating to a “buy” rating.

CIBC upgraded Yamana Gold (AUY) from an “underperform” rating to a “sector perform” rating.