Infineon Drops as Wolfspeed Purchase at Risk Over U.S. Concerns

Infineon Technologies AG fell the most since November after a U.S. national security advisory panel said the German chipmaker’s proposed $850 million purchase of Cree Inc.’s Wolfspeed unit poses a risk to national security.

Shares of Infineon fell in Frankfurt, after Cree and Infineon said in statements late Feb. 8 that the Committee on Foreign Investment in the United States, or CFIUS, had regulatory concerns. Cree fell in post-market trading Wednesday.

CFIUS didn’t identify any measures that could adequately mitigate risks posed by the transaction, Infineon said in its statement. “Infineon is of the opinion, that there is a considerable ...