Top Analyst Upgrades and Downgrades (AWK, ANGI, BIG, CLH, DVA, HTZ, LOGI, MLNX, WFR, NANO, NYCB, SAP, SD)

American Water Works Co. Inc. (NYSE: AWK) cut to Neutral at Citigroup.

Angie’s List Inc. (NASDAQ: ANGI) started as Overweight at Piper Jaffray.

Big Lots Inc. (NYSE: BIG) raised to Hold from Sell at Deutsche Bank, cut to Hold at Canaccord Genuity and cut to Underperform at Raymond James.

Clean Harbors Inc. (NYSE: CLH) raised to Outperform at Baird.

DaVita HealthCare Partners Inc. (NYSE: DVA) cut to Hold at Deutsche Bank.

Hertz Global Holdings Inc. (NYSE: HTZ) named Bull of the Day at Zacks Investment Research.

Logitech International S.A. (NASDAQ: LOGI) named Bear of the Day as smartphones are eating up its peripheral sales, according to Zacks Investment Research.

Mellanox Technologies Ltd. (NASDAQ: MLNX) raised to Outperform at JMP Securities.

MEMC Electronic Materials Inc. (NYSE: WFR) raised to Buy at Goldman Sachs (full note).

Nanometrics Inc. (NASDAQ: NANO) started as Buy with $20 target at Canaccord Genuity.

New York Community Bancorp Inc. (NYSE: NYCB) raised to Outperform at KBW.

SAP A.G. (NYSE: SAP) raised to Overweight at HSBC.

SandRidge Energy Inc. (NYSE: SD) cut to Underperform at BMO.

UBS sees enterprise storage changing the landscape of traditional drives and storage ahead.

Here are 11 stocks which analysts expect to rise 50% to 100% (or more) over the next year.