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24/7 Wall St. Closing Bell — January 28, 2013: Markets Open Mixed, Close Nearly Flat (AKS, HEP, NWSA, FB, BBY, CAT, ROP, SIFY, BIIB, YHOO, STX, VMW, STLD, BSX, DHI, F, BTU, PFE, VLO, KERX, JOSB, HLF)

Major Earnings Previews for the Week Ahead

The Dow Has Its Best Close Since June 2008

Wall Street shrugged off instability in Egypt to rally to a two-and-a-half year high Tuesday, boosted by encouraging economic data and better-than-expected corporate earnings.

Stocks Close Higher for the Week, Once Again

Stocks closed modestly mixed on light volume Friday in the last full trading week of the year, which marked the third week in a row of overall gains. While drugmakers Pfizer and Merck put a damper on the Dow, robust earnings from Oracle and Research In Motion helped lift tech stocks.

Daily Blogwatch: Just How Oversold Is This Market? Why Are Hedge Funds Buying PFE?

Another Big Sponsor Gives Tiger the Boot

As hedge funds buy Apple and Pfizer, should individual investors follow?

Viagra meets its match: Sex pills for the female libido are on their way

No daily Viagra dose, no peace! Philly transit workers rise up in protest

AstraZeneca sales-rep notes reveal troubling relationship with doctors

Big pharma heats up with high performance for drugs, earnings

The cancer drug-bubble: A bad diagnosis for shareholders and patients

Pfizer pays a record $2.3 billion to settle criminal charges

Pfizer's Neurontin: Epilepsy meds have never been this sexy

Conflicting economic data leads stocks slightly lower