Kansas City Southern had a net profit of $90.7 million in the third quarter, compared to $100.1 million in the same 2011 period. The railroad said revenues hit a new record of $577 million, 6 percent more than the $544.5 million recorded in the same 2011 period. David L. Starling, KCS president and chief executive officer, said “revenues were primarily driven by KCS’ five fastest growing categories – automotive, cross-border intermodal, container traffic through Lázar...