These are some of the top analyst upgrades, downgrades and initiations seen in Wall St. research calls this Wednesday. With tomorrow being one of America’s top holidays, there will be no analyst calls on Thursday and Friday as brokerage firms and trading desks will be on skeleton crews after noon EST on Wednesday.

America Movil S.A.B. de C.V. (NYSE: AMX) cut to Neutral at Citigroup.

Coach Inc. (NYSE: COH) reiterated Buy with $70 target at Argus.

Eaton Vance Corp. (NYSE: EV) cut to Sell at Citigroup.

Heartware International Inc. (NASDAQ: HTWR) cut to Market Perform at Wells Fargo and cut to Neutral at UBS.

Helmerich & Payne Inc. (NYSE: HP) reiterated Buy and raised target to $60 at Argus.

Hewlett-Packard Co. (NYSE: HPQ) cut to Sector Perform at RBC, but multiple firms downgraded this one yesterday.

LinnCo LLC (NASDAQ: LNCO) started as Neutral at BofA/ML, started as Neutral at Goldman Sachs, started as Neutral at Credit Suisse and started as Buy at UBS.

Marathon Petroleum Corp. (NYSE: MPC) resumed as Buy at BofA/ML.

Medtronic Inc. (NYSE: MDT) reiterated Buy with $48 target at Argus.

NYSE Euronext Inc. (NYSE: NYX) named as Bear of the Day at Zacks.

Oshkosh Corp. (NYSE: OSK) named as Value stock of the day at Zacks.

PennyMac Mortgage Investment Trust (NYSE: PMT) started as Buy at Stern Agee.

Weyerhaeuser Co. (NYSE: WY) named as Bull of the Day at Zacks.

Yum! Brands Inc. (NYSE: YUM) started as Outperform at Macquarie.

Speaking of analyst calls after bad mergers like HP-Autonomy, here is the list of The Other 10 Worst Mergers of the Past 10 Years.

JON C. OGG