The industry is best represented by the 234,000 Greater Philadelphians who are employed by financial services firms, nearly a third better than the national average. Throw in $1.6 trillion in mutual fund assets under management regionally, and it's easy to follow the money here. The region's location quotient for finance and insurance is the second-highest in the U.S. according to Fortune magazine, as many national banks and investment outfits have signficiant operations here.