Republican frontrunner easily defeats Newt Gingrich in the Nevada Republican caucus, building his lead in his bid for the party’s nomination to challenge President Barack Obama in November.

U.S. President Barack Obama calls on Syria’s president to step down accusing the regime of murdered hundreds of its own citizens on Friday.

Demonstrators turn out in below-freezing temperatures to protest the prime minister’s bid for another presidential term.

Cisco, Coca-Cola, Disney and Visa are among bellwethers set to report results amid expectations for market gains to continue; resolution of Europe’s debt crisis is expected to drag on.

SIRI +/- Sirius XM Radio stock closed above a buck Wed. for the first time since Sept. 2008. Sure, shares of qSIRI are up more than 85% this year and now trade at about $1.12 but that's still a far cry from the nearly $4 level the ...

TM +/- Under growing pressure from U.S. lawmakers investigating Toyota Motor Corp.'s safety recalls, TM President Akio Toyoda changed course and said he would appear before Congress next week. "I have received Congressman Towns' invitation...

GM + General Motors announced plans to invest nearly $500M toward producing the next
generation Ecotec engines, which will result in creating nearly 550 jobs at three U.S. plants.

XNPT - XenoPort Inc. plunged the most ever in Nasdaq trading after the co.’s experimental treatment for restless legs syndrome wasn’t approved by U.S. regulators. XNPT declined $12.93, or 66%, to $6.67 at 4:00 p.m. in Nasdaq Stock Market compo...

SLB, SII + Oil-services co. Schlumberger Ltd. is in advanced discussions to acquire Smith International Inc., according to people familiar with the negotiations, a deal that would create an industry giant with revenues double that of its nearest ri...