Shares of Chinese chips firms were on a high on reports the country had developed chipmaking machines of its own, but experts doubt they are much of a 'breakthrough'

Tokyo is between a rock and hard place on the issue of chip tech exports, facing the risk of retaliation from both China and the US

Washington has been lobbying the Dutch to prevent ASML from servicing some of the billions of euros worth of tools it has already sold to Chinese customers

The machines are aimed at disrupting the most expensive step in the chipmaking process, by “stamping” chip designs on to silicon wafers instead of etching them using ultraviolet light