Cramer's lightning round: Snap 'really screwed up'—I can't recommend the stock By: CNBC.com News September 20, 2018 at 18:51 PM EDT Jim Cramer flies through his take on callers' favorite stocks, including a high-profile social media play. Read More >> Related Stocks: Mammoth Energy Services Inc Microsoft Proofpoint Inc Snap Inc WEC Energy Group Inc Westrock Company