A Manhattan trader was killed Tuesday morning by a speeding Long Island Rail Road commuter train, marking at least the seventh suicide of a financial professional this year. Edmund (Eddie) Reilly, 47, a trader at Midtown’s Vertical Group, jumped in front of an LIRR train at 6 a.m. near the Syosset train station. He was declared dead at the scene. Reilly’s identity was confirmed by Salvatore Arena, an LIRR spokesperson, who said an investigation into the incident was continuing. Passengers on the west-bound express train told MTA investigators they saw a man standing by the tracks before he jumped in...