China A-share copper cable and high-speed connector sector jumped in an afternoon intraday rally: Dingtong Technology hit the 20% limit, Yidong Electronics rose over 14%, Xinke Materials earlier hit limit-up, and Jin Xinnuo, AVIC Optoelectronics and Yihua Co. also advanced.

2026-06-04

China A-share copper cable and high-speed connector sector jumped in an afternoon intraday rally: Dingtong Technology hit the 20% limit, Yidong Electronics rose over 14%, Xinke Materials earlier hit limit-up, and Jin Xinnuo, AVIC Optoelectronics and Yihua Co. also advanced.