Biden administration cybersecurity advisor Anne Neuberger praised the port's Cyber Resilience Center as an example of how government and the private sector can work together.
JB Hunt fired the first warning shots during its quarterly results, saying demand was weak, sending shares of the whole group lower. Then Knight-Swift followed.
Under the rules, medium- and high-risk products, which include meat and dairy products, as well as most plants, could be subject to checks at the borders
for biosecurity.
Beijing earlier blasted a U.S. plan to launch a formal review of its maritime, logistics and shipbuilding sector, calling the investigation a mistake “based on the need of domestic politics.”