A man suffered a non-life-threatening stab wound Saturday during a fight with a suspect in North Long Beach, authorities said. Officers dispatched at about 12:30 a.m. Saturday to a report of a stabbing in the 6000 block of Atlantic Avenue located a man with a stab wound to his upper body, the Long Beach Police Department reported. Paramedics rushed him to a hospital, where he had stable vital signs. “The preliminary investigation indicates the v…