Google braces to pay at least $500M in ad probe

Google Inc.'s lucrative online advertising system is facing a U.S. Justice Department investigation that is expected to cost the Internet search leader at least $500 million.

Once-soaring tech stocks sink in sobering comedown

The stock market's laws of gravity are ravaging its highest fliers. Just look at the list of technology trailblazers whose values have plummeted from record highs during the past few weeks. Investors have re-focused on safer ...

Nasdaq trading halts for three hours due to glitch

A mysterious technical glitch halted trading on the Nasdaq for three hours Thursday in the latest major electronic breakdown on Wall Street, embarrassing the stock exchange that hosts the biggest names in technology, including ...

Facebook is an unfriendly reminder of IPO risk

Facebook's flubbed initial public offering a year ago Saturday laid bare some important truths worth remembering even as major U.S. stock indexes score a string of all-time highs.

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