Dow Jones Industrial Average index climbed for second straight day despite increase in jobless claims last week as investors awaited positive monthly employment report due Friday. Blue chip index added 0.55% or 70.61 points and finished at 12,907.94 with growth depended shares posting most notable gains. Alcoa surged 2.3% and Caterpillar advanced 1.9%. McDonalds Corp curbed index on the downside after posting disappointing sales results. Restaurant chain slipped 3.2% after company reported a 7.5% increase in sales in stores opened last 13 months.