Export Controls

Rules restricting which technologies U.S. firms can ship abroad, central to the chip and AI trade war.

Also known as: EAR, Export Administration Regulations

What it is

Export controls are U.S. rules, chiefly the Export Administration Regulations administered by the Commerce Department's BIS, that restrict exports of sensitive goods and technology. They govern semiconductors, tooling, and dual-use items. Licenses may be required or denied.

What it does

New controls can cut off a lucrative export market for chipmakers and equipment vendors, capping revenue and forcing product redesigns. Investors gauge each company's China or restricted-market exposure. Announcements move semiconductor and equipment names sharply.

The evidence

Tightened controls on advanced chips and lithography tools have curtailed China-market sales for U.S. and allied semiconductor firms.

Best for

Chip and equipment names like NVDA, AMD, LRCX, AMAT, KLAC.

Pairs well with

entity-list, sanctions, chips-act

Use cautiously with

Companies often design compliant products to keep selling; assuming controls zero out a market can overstate the damage.

Cautions

Rules are frequently revised, and license outcomes are opaque, making the revenue hit hard to size.