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

Altria Group Inc. (NYSE: MO) raised to Buy at Stifel Nicolaus.

American International Group Inc. (NYSE: AIG) cut to Market Perform on lack of near-term catalysts by Wells Fargo.

Boeing Co. (NYSE: BA) reiterated Buy and raised estimates at Argus.

CIT Group Inc. (NYSE: CIT) cut to Neutral at Janney.

Coca-Cola Co. (NYSE: KO) cut to Hold at Argus.

Credit Suisse Group (NYSE: CS) raised to Buy at Nomura.

Diamond Foods Inc. (NASDAQ: DMND) cut to Underperform as Bear of the Day at Zacks.

Dunkin’ Brands Inc. (NASDAQ: DNKN) cut to Market Perform at Raymond James.

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EMC Corp. (NYSE: EMC) cut to Equal Weight at Bernstein.

First Solar Inc. (NASDAQ: FSLR) reiterated Hold as fully valued at Argus.

Fresenius Medical Care AG & Co. KGAA (NYSE: FMS) cut to Neutral at Credit Suisse.

Lululemon Athletica Inc. (NASDAQ: LULU) reiterated Buy with $91 target at Canaccord Genuity.

MGM Resorts International (NYSE: MGM) cut to Neutral at Nomura.

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Microsoft Corp. (NASDAQ: MSFT) cut to Equal Weight at Morgan Stanley.

Ryder System Inc. (NYSE: R) raised to Outperform as Bull of the Day at Zacks; raised to Buy at Goldman Sachs.

Tyco International Ltd. (NYSE: TYC) started as Market Perform at William Blair.

Whitewave Foods Co. (NYSE: WWAV) started as Outperform at Credit Suisse.

Wynn Resorts Ltd. (NASDAQ: WYNN) raised to Buy at Lazard.

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