optimism. last week the blue chip index flirted with 13,000. yesterday the dow rode a surge in the economy to cross a threshold not seen since before the great recession. fueling yesterday s rally, a swell of consumer confidence in february driven by improving job prospects and an upbeat overall attitude about the nation s economy. for instance, johnson and johnson added 5.5 points to the dow s crucial rise. microsoft had the biggest percentage gain a among the 30 stocks adding 2%. tech shares added a boost. sending the semiconductor index higher as a whole. earnings front, office depot shares, they shot up 19% thanks to its impressive quarterly report. on the down side, dream works animation tumbling in late trade after a weak earnings report and forecast after the bell there. new york based cable vision seeing its stocks slide, too. 10% after reporting an increase in capitol expenses last