Top Analyst Upgrades and Downgrades (ALTR, MT, DF, GM, GT, GOOG, HPQ, HON, IMGN, KSU, MXIM, MON, NAV, OMX, TRIP, VR, XRX, YHOO)

These are some of the top analyst upgrades, downgrades and initiations seen from Wall St. research calls this Thursday.

Altera Corp. (NASDAQ: ALTR) cut to Hold at Jefferies.

ArcelorMittal (NYSE: MT) cut to Sell at Goldman Sachs.

Dean Foods Co. (NYSE: DF) raised to Outperform at BMO.

General Motors Co. (NYSE: GM) started as Hold at Stifel Nicolaus.

Goodyear Tire & Rubber Co. (NYSE: GT) raised to Buy at Goldman Sachs.

Google Inc. (NASDAQ: GOOG) reiterated Buy and raised target to $875 at Argus.

Hewlett-Packard Co. (NYSE: HPQ) cut to Underperform at Jefferies.

Honeywell International Inc. (NYSE: HON) started as Buy at BofA/ML.

Immunogen Inc. (NASDAQ: IMGN) started as Sell at UBS.

Kansas City Southern (NYSE: KSU) reiterated outperform but raised target to $100 at Credit Suisse.

Maxim Integrated Products Inc. (NASDAQ: MXIM) raised to Buy at Jefferies.

Monsanto Co. (NYSE: MON) raised to Outperform at Wells Fargo.

Navistar International Corp. (NYSE: NAV) named Bear of the Day at Zacks.

OfficeMax Inc. (NYSE: OMX) named Bull of the Day at Zacks.

TripAdvisor Inc. (NASDAQ: TRIP) cut to Sector Perform at RBC.

Validus Holdings Ltd (NYSE: VR) started as Outperform at Credit Suisse.

Xerox Corp. (NYSE: XRX) reiterated Buy with $13 target at Argus.

Yahoo! Inc. (NASDAQ: YHOO) started as Buy with $22 target at Goldman Sachs.

JON C. OGG

Filed under: 24/7 Wall St. Wire, Analyst Calls Tagged: ALTR, DF, GM, GOOG, GT, HON, HPQ, IMGN, KSU, MON, MT, MXIM, NAV, OMX, TRIP, VR, XRX, YHOO