The Wall Street Journal U.S. Prepares New AI Chip Restrictions to Close China’s Backdoor Access — Washington plans rules limiting semiconductor shipments to some countries accused of supplying Beijing. China Races to Squelch Unrest as Signs of Economic Malaise Spread — Knife attacks and car rammings have officials unnerved about widespread societal discontent. China’s Economy Loses Momentum — China will probably hit its ‘around 5%’ growth target for the year, but economis