Adnan Deumic, a 25-year-old London-based trader at Bank of America died Thursday evening — just two weeks after the death of Leo Lukenas III, a banker who had been working 100-hour work weeks at the financial giant, The Post has learned. Deumic was playing in a casual “five-a-side” charity soccer tournament with other finance employees when he fell suddenly and was administered CPR, a source with knowledge of the matter said. While the cause of death is unknown, this person told The Post cardiac arrest is suspected. “The death of our teammate is a tragedy, and we are shocked by...