Group 1 - The semiconductor sector experienced a significant rise at the beginning of trading, with companies such as Allwinner Technology and Hua Hong Semiconductor reaching new highs during the session [1] - Li Yang Chip and Demingli stocks hit the daily limit up, while Yutai Microelectronics saw an increase of over 10% [1] - Other companies including SourceJ Technology, Guoxin Technology, Jinghe Integration, Huafeng Measurement and Control, and Aojie Technology also saw gains [1] Group 2 - Related ETFs showed positive performance, with the leading chip ETF (159801) rising by 2.31% and a trading volume of 40.8161 million yuan [1] - The Southern Semiconductor ETF (159325) increased by 2.59%, with a trading volume of 4.9692 million yuan [1]