Leading the rally was Beijing-based SG Micro whose shares on Shenzhen’s ChiNext board surge by the maximum 20 per cent limit on Monday.

Beijing also initiates anti-discrimination investigation over semiconductor exports to US, a day ahead of latest trade talks.

The probe will hit US firms like Texas Instruments and Analog Devices on the mainland and give a boost to their Chinese rivals, analyst says.

Leading the rally was Beijing-based SG Micro whose shares on Shenzhen’s ChiNext board surge by the maximum 20 per cent limit on Monday.