Rockwell Automation, Inc. (NYSE:ROK) is included among the 12 Best HVAC Stocks to Buy Now. Oppenheimer Sees Rockwell Automation, Inc. (ROK)'s Operational Gains Largely Priced In On January 20, Oppenheimer analyst Noah Kaye downgraded Rockwell Automation, Inc. (NYSE:ROK) to Perform from Outperform. The firm pointed to Rockwell’s steady progress on operational excellence initiatives. The company has delivered meaningful margin expansion despite weak end markets and has outlined a technology roadmap that su ...