E*Trade, Ameritrade renew talks on merger that could jolt industry
                                
                                
                                    (Newser) -
                                    Though past merger talks were never consummated, online stockbrokers E*Trade and TD Ameritrade are again in "serious discussions" over a union, the Wall Street Journal reports. A consolidation would create a dominant player in online trading, reducing competition and perhaps ratcheting up costs for consumers. One source estimates the...