Cramer's lightning round: I'm not the call on how to play Roku By: CNBC.com News September 12, 2018 at 18:51 PM EDT Jim Cramer rattles off his take on callers' favorite stocks, including a streaming play that he's gotten wrong in the past. Read More >> Related Stocks: At Home Group Inc Crispr Therapeutics Ag Intuitive Surgical Oneok Inc Prudential Financial Transenterix Inc