(Reuters) - Pfizer Inc (PFE.N) reported much lower-than-expected first-quarter sales on Tuesday, hurt by weak demand for its Prevnar 13 vaccine used to prevent pneumonia and other infections, and it trimmed its 2013 profit forecast.

AUSTIN, Texas, May 10, 2013 (GLOBE NEWSWIRE via COMTEX) -- Pain Therapeutics, Inc. (NASDAQ:PTIE) announced today that yesterday it received correspondence from Pfizer, Inc. (NYSE:PFE) . This correspondence is available at: ...

KALAMAZOO, MI - Pfizer Inc. is now delivering its erectile dysfunction Viagra tablets to patients who order it online to fight counterfeit product sales.

Huntington Beach, CA -- (SBWIRE) -- 05/17/2013 -- PSPicks.com provides its subscribers with a free newsletter that reports up to the minute information and exclusive charts on cheap, undervalued, hidden, and undiscovered stocks traded on the NASDAQ, ...

Pfizer Inc. (NYSE: PFE) is a research-based, global biopharmaceutical company. The company has a market capitalization of $217.54 billion.

Editor's note: Related tickers: Pfizer Inc. (NYSE:PFE), Halliburton Company (NYSE:HAL), Ford Motor Company (NYSE:F), Facebook Inc (NASDAQ:FB), Micron Technology, Inc. (NASDAQ:MU).

The board of directors of Pfizer Inc. today declared a 24-cent second-quarter 2013 dividend on the company's common stock, payable June 4, 2013, to shareholders of record at the close of business on May 10, 2013.

Pfizer Inc. invites investors and the general public to view and listen to a webcast of a presentation by Mikael Dolsten, President, Worldwide Research and Development, at the Morgan Stanley 2013 R&D Seminar: Reigniting Pharma on Friday, May 10, 2013 ...

Viagra pill with counterfeit pills View full sizeThis undated photo provided by Pfizer shows a real Viagra pill on top of counterfeit pills.

KALAMAZOO, MI - Pfizer Inc.'s is declaring a $0.24 second-quarter dividend share to common stock shareholders. The dividend is payable on June 4, 2013, to shareholders of record at the close of business on May 10, 2013.