<p>➀ U.S. President Donald Trump announced a proposed 100% tariff on imported chips, exempting companies investing in domestic manufacturing;</p><p>➁ Exemptions apply to TSMC (U.S. plants), UMC (Intel collaboration), Apple ($100 billion U.S. investment), and Samsung/Hynix under a trade deal;</p><p>➂ Trump warned of retroactive tariffs if companies fail to fulfill investment pledges.</p>