The U.S. created a less-than expected 157,000 jobs in January and the unemployment rate ticked up to 7.9%, but the economy added more jobs in 2012 than previously estimated, with a large chunk coming in the final months of the year. Economists surveyed by MarketWatch expected an increase of 170,000 jobs last month, with unemployment dipping to 7.7% from 7.8%. Employment gains for December and November were revised sharply higher, according to new Labor Department figures released Friday. The number of new jobs created in December was revised to 196,000 from 155,000. November's figure was revised to 247,000 - the ... (full story)