China is reportedly producing a key chip tool in a market dominated by ASML. But analysts questioned China's ability to compete with the Dutch giant.

Reports that China has started mass-producing homegrown DUV lithography machines actually describe two separate developments being treated as one. A Shanghai firm linked to…

ASML stock tumbled on a report of competition emerging in China. It was among the biggest losers on the Philadelphia semiconductor index.

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…