Cantor Fitzgerald, following conflict-of-interest complaints from investors, is planning to distance itself from the brokerage and online trading firms it controls. The deal will create a new company, a merger of eSpeed and BGC Partners. 
                                    
                                    
                                
                                
                             
                            
                            
                            
                            
                            
                                
                                
                                    
                                        Cantor, the bond-trading firm that lost hundreds of employees on 9/11, will retain voting control over the new company, but lose profit-sharing that has been a sticking point with investors.