Cramer points to 'China's ultimate weapon' in the trade war: Boycotts By: CNBC.com News April 19, 2018 at 18:30 PM EDT Jim Cramer worries that organized boycotts against U.S. products in China could escalate tensions in the burgeoning trade war. Read More >> Related Stocks: Acacia Communica Nxp Semiconductors Oclaro Qualcomm, Inc. Yum China Holdings Inc