Stock market has worst day this year; Dow off 129

Live action: Twitter grabs Super Bowl spotlight

Oh the drama! Super Ads go epic

Asian markets fall after US, Europe declines

Glance: 10 Super Bowl ads that stood out

S&P expects US lawsuit over its mortgage ratings

Bus passenger describes terror before Calif. crash

Superdome officials worried about a power outage

New BlackBerry to be released in US in mid-March

Beer will help power Alaska brewery