A-share storage chip sector slid; Dongxin Co. tumbled over 10%, Tuojing Technology dropped nearly 6%, while Jiangbolong, Xiangnong Xinchang, Demingli and Baiwei Storage also declined.

South Korea's KOSPI opened 19.93 points higher (0.24%) at 8,496.08 on Monday, June 1.

An explosion and fire at Hanwha Aerospace's Daejeon plant on June 1 killed five workers and injured two, police and fire officials said. Authorities suspect a rocket motor/propulsion unit may have detonated. South Korea's Lee ordered all available resources mobilised for rescue, a full probe into the cause and measures to prevent a recurrence. The Daejeon facility produces tactical weapons and large rocket motors and previously suffered fatal explosions in 2018 and 2019.