Top Analyst Upgrades & Downgrades (ATVI, APD, CIM, DELL, DKS, GTIV, GERN, PAA, RIMM, SXL, TIBX)

These are some of Wednesday’s top analyst upgrades, downgrades, and initiations seen from Wall Street research calls.

Activision Blizzard Inc. (NASDAQ: ATVI) Reiterated Buy with $18 target at Argus.
Air Products & Chemicals Inc. (NYSE: APD) Reiterated Buy at BofA/ML.
Chimera Investment Corporation (NYSE: CIM) Cut to Sell at Wunderlich.
Dell Inc. (NASDAQ: DELL) Maintained Underperform at Credit Suisse; Reiterated Buy with $22 target at Argus.
Dick’s Sporting Goods Inc. (NYSE: DKS) Raised to Conviction Buy List at Goldman Sachs.
Gentiva Health Services (NASDAQ: GTIV) named Bear of the Day at Zacks.
Geron Corporation (NASDAQ: GERN) Cut to Neutral at JPMorgan.
Plains All American Pipeline, L.P. (NYSE: PAA) named Value stock of the day at Zacks.
Research in Motion Ltd. (NASDAQ: RIMM) Raised to Neutral from Sell at Goldman Sachs.
Sunoco Logistics, LP (NYSE: SXL) named Bull of the Day at Zacks.
TIBCO Software Inc. (NASDAQ: TIBX) Started as Market Perform at BMO Capital; Started as Market Outperform at JMP Securities.