Cramer's lightning round: It's amazing what speculative stocks can do By: CNBC.com News August 02, 2017 at 18:50 PM EDT Jim Cramer shares his take on callers' favorite stocks at lightning speed, including one rallying spec. Read More >> Related Stocks: Akamai Technologies Cummins Dynavax Technologies Inovio Pharma U.S. Silica Holdings Inc
