Two top American bankers commit suicide in London as one jumps 500ft to his death from JP Morgan skyscraper and another hangs himself in luxury home •Gabriel Magee, a 39-year-old JP Morgan bank executive, died this morning after he threw himself off the top of the bank's European headquarters •On Sunday, former Deutsche Bank senior manager, William 'Bill' Broeksmit, 58, was found hanging in his home in South Kensington •Both deaths have been ruled non-suspicious by the Metropolitan Police •Magee had lived in London for seven years after transferring from the Unites States with JP Morgan •Broeksmit had been in...