Concepts of ultra-high voltage are becoming active, with multiple stocks such as State Grid Corporation of China and China Southern Power Grid hitting the limit up.

The concept of Ultra High Voltage (UHV) is becoming active in the market, as State Power Investment Corporation, China Energy Engineering Group, and China Energy Construction Group have all hit the daily trading limit. Companies such as State Grid Smart Grid, Great Wall Cable Technology, Changjiang Electric New Energy, China Western Power Development, Chuanrun Shares, and Huaming Equipment are also following the uptrend.