Gov. Gray Davis signed a slew of bills late Monday including one that closes a loophole that would have allowed retail giant Wal-Mart Stores Inc. to enter the banking industry by acquiring an Orange County industrial bank. Wal-Mart's acquisition plans triggered a strong backlash from bankers, who said Congress specifically wanted to keep commercial enterprises such as Wal-Mart out of the bank industry when it overhauled financial services regulation with the 1999 approval of the Gramm-Leach-Bliley Act. Wal-Mart has said it wants to enter the banking industry to satisfy its own banking needs. But bankers fear the retailer will eventually...