NEW YORK/SAN FRANCISCO (Reuters) - Facebook Inc priced its initial public offering at the top of its target range to raise more than $16 billion, as strong demand, particularly from retail investors, fuels anticipation of a big pop in the stock when it begins trading Friday on the Nasdaq. Predictions of how much the stock will rise on its first day of trade vary greatly -- some experts said the high IPO price and increased float could limit gains to 10 percent to 20 percent, while others said anything short of a 50 percent jump would be disappointing given the hype. ...

Autopsy: Evidence of marijuana found in Trayvon Martin's urine and blood. .

A newlywed accused of stabbing his pregnant wife pleaded not guilty to two counts of capital murder Thursday after the woman and baby died in western Arkansas.

WASHINGTON (Reuters) - JPMorgan Chase & Co Chief Executive Jamie Dimon has agreed to testify before Congress over the bank's recent trading losses, which have ignited a political debate over whether large U.S. banks need to be reined in by regulators or new laws. U.S. Senate Banking Committee Chairman Tim Johnson said in a statement on Thursday that his panel will invite Dimon to appear before Congress. ...