US Airways surprises investors; Alaska Air dips despite reporting net profit for 4Q2009

North and South American carriers stocks slumped on Thursday (28-Jan-2010), amid a number of 4Q2009 and FY2009 results. Stocks also moved with the wider market, with the Dow (-1.1%) ending trading down, following poor outlooks from Motorola and Qualcomm, weakening optimism in the US technology sector.