Top Analyst Upgrades and Downgrades: Altera, Anadarko, Atmel, GrubHub, Potash, Rackspace, Seadrill and More

These are this Friday’s top analyst upgrades, downgrades and initiations seen from Wall Street research calls.

Altera Corp. (NASDAQ: ALTR) was downgraded to Neutral from Buy at Bank of America Merrill Lynch.

Anadarko Petroleum Corp. (NYSE: APC) was started as Buy with an $89 price target (versus a $81.01 close) at Guggenheim.

Atmel Corp. (NASDAQ: ATML) was downgraded to Underperform from Neutral with a $8 price target (versus a $8.21 close) at Merrill Lynch.

B/E Aerospace Inc. (NASDAQ: BEAV) was started as Buy at Citigroup.

GrubHub Inc. (NYSE: GRUB) was started as Outperform at Oppenheimer, just a day after a big Goldman Sachs upgrade as well.

Hartford Financial Services Group Inc. (NYSE: HIG) was downgraded to Neutral from Buy with a $41 price target (versus a $41.94 close) at Citigroup.

iRobot Corp. (NASDAQ: IRBT) was started as Overweight at Piper Jaffray.

Kinross Gold Corp. (NYSE: KGC) was downgraded to Neutral from Buy at UBS.

Linear Technology Corp. (NASDAQ: LLTC) was downgraded to Neutral from Buy at Merrill Lynch.

Maxim Integrated Products Inc. (NASDAQ: MXIM) was downgraded to Neutral from Buy at Goldman Sachs.

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Microchip Technology Inc. (NASDAQ: MCHP) was started as Neutral at Goldman Sachs.

Potash Corp. of Saskatchewan Inc. (NYSE: POT) was raised to Buy from Neutral at UBS.

Rackspace Hosting Inc. (NYSE: RAX) was started as Buy with a $56 price target (versus a $47.16) at Stifel.

Red Hat Inc. (NYSE: RHT) beat earnings and we have seen many analysts lift targets and estimates. Shares were indicated up 10% at $68 or so, a new 52-week high. BMO Capital Markets raised its target to $77, Needham raised its target to $75, Oppenheimer raised its target to $80 and other calls are out as well.

Seadrill Ltd. (NYSE: SDRL) was downgraded to Sell from an already cautious Neutral rating at Goldman Sachs.

Stericycle Inc. (NASDAQ: SRCL) was started as Outperform at Macquarie.

Telefonica S.A. (NYSE: TEF) was started as Sell at Deutsche Bank.

Teekay Tankers Ltd. (NYSE: TNK) was downgraded to Neutral from Buy at UBS.

In case you missed Thursday’s top analyst upgrades and downgrades from 24/7 Wall St., they included Advanced Micro Devices, Baker Hughes, Corning, FedEx, Halliburton, HCA, Intel, Tyco International and over a dozen more.

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