Index nosedives after more bad news about spending
                                
                                
                                    (Newser) -
                                    The Dow plunged 246.79 points to 12,606.30 today as investors, worried about consumer spending, fled retailers and credit-card issuers. Analysts are concerned the mortgage crisis has finally hit pocketbooks, hurting credit, jobs, and public confidence, the Wall Street Journal reports.The Nasdaq slid 48.58 to close...