BY FROMA HARROP One day last week, the Dow Jones Industrial Average shot up 246 points. On CNBC, Jim Cramer punched the Sousa March button. NPR’s “Marketplace” boomed, “We’re in the Money.” Yeah! Happy days are here again. Right? And just when the Prozac started to kick in. Or perhaps wrong. Look at the bigger picture. The Standard & Poor’s 500-stock index has risen a swell 25% from the pits on March 9, but that […]