Microtune, Navistar, NetSol, Talbots, Wet Seal, ZymoGenetics were among the stocks making notable moves in Wednesday's stock market.

A successful Portuguese debt auction provides some relief, although bank stocks are mostly lower.

NEW YORK (MarketWatch) -- U.S. stocks bounced back from the previous day's declines as concerns about European bank health subsided.

The U.S. dollar weakens versus most major rivals on Wednesday amid better news out of Canada and the U.K. and a positive opening for U.S. stocks.

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...