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Stock Market Today: Wal-Mart Slips as Tesla Roars

Today's Biggest Biotech Stories: Antares Pharma Inc., BioCryst Pharmaceuticals Inc., and Raptor Pharmaceuticals Corp.

Facebook Buys WhatsApp for $19 Billion, But Overlooks 3 Big Problems

Invesco Mortgage Capital Sees $83 Million Loss in Fourth Quarter

Initial Jobless Claims Dip 0.9%

Manufacturing Index Rebounds to Fastest Growth in Nearly 4 Years

Marcellus Shale Natural Gas Production in Pa. Doubles Over Previous Year

Cold Weather Chills Philly Fed Manufacturing Report

Weak Housing Market Keeps Mortgage Rate Rises in Check

CPI: Electricity Index Posts Largest Gains Since March 2010

Japan Looks at Recycling Vehicle Batteries for Renewable Power

Why Avis Budget Group, Inc. Vroomed Today

Why Conn's Inc. Shares Got Crushed

Porsche Tells 911 GT3 Owners to Stop Driving the Vehicles

Why CryoLife, Inc. Shares Have Gone Ice-Cold

Peltz Prepares New Push for PepsiCo

Tesla Motors Inc. Stock Is Racing to New Heights: Is It Time to Sell or Buckle Up for the Long Haul?

Why Onconova Therapeutics Inc. Shares Imploded

Jobless Claims Report Pushes Stocks Higher

Obama Admin Approves 2 Big Solar Projects on Public Lands

Orbital Sciences Corp. Signs Commercial Launch Contract With Skybox Imaging

Broadcom Corporation Introduces New Global Navigation Satellite System for Wearable Fitness Technology

FDA to Review Merck's New HPV Vaccine

Wal-Mart's Earnings Slump Can't Stop the Dow's 100-Point Bounce

Why Raptor Pharmaceuticals Corp. Shares Clawed Higher

Why Shares of American Railcar Industries, Inc. Popped Today

BNSF Plans to Upgrade Tanker Fleet to Improve Safety

Will Facebook Ruin What's Great About WhatsApp?

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