China’s quant funds have an edge on foreign rivals, even as Beijing curbs trading speed

China’s quantitative funds have built trading strategies so closely tailored to the mainland market that foreign rivals cannot replicate them, even as a regulatory clampdown on trading speed reshapes the industry, according to a prominent economist. “If a top US quant team goes to Japan or India, they can beat virtuall

China has tightened regulations on investigator-initiated trials, with consequences not just for Chinese researchers but some Americans, too.