China watchers worry Washington’s moves to bar Chinese access to vital chip technologies could quickly go awry.

By George Leopold and Junko Yoshida
What’s at stake:
All eyes are on China as the nation mulls its response to the latest U.S. technology export controls. China will no doubt retaliate – but how? Its options appear limited, but so do the options for de-escalation. At stake is whether the tech industry may find itself in a world split in two: China and the rest of the world.