ASML is tumbling Monday, set for their steepest drop since June, after reports China is making its own immersion lithography machines.

A Shanghai-based company has begun making immersion DUV lithography machines, The Information reported. ASML shares dropped 6.5%. China's share of ASML sales fell to 14%.

Selon le site The Information, a lancé la production de machines de lithographie à ultraviolet pour la fabrication de puces. Des machines concurrentes de celles du géant européen…

On the one hand, US controls on exports of high-tech goods to China are threatening to reduce access to a major market; and on the other, Beijing's push for technological…