Coinspeaker China’s Biggest Contract Chipmaker Stock SMIC Plunges After U.S. Hints of Blacklisting the FirmThe U.S. Department of Defense said that there were reports of SMIC's alleged involvement with the Chinese military and further passing on their chip technology for China's defense purposes.China’s Biggest Contract Chipmaker Stock SMIC Plunges After U.S. Hints of Blacklisting the Firm