Group 1: Company Performance - KaiMet Gas (002549) has a market capitalization of 15.458 billion with a recent trading price of 22.23, reflecting a 10.00% increase [1] - Aopu Optoelectronics (002338) has a market capitalization of 13.728 billion, with a trading price of 57.20, also showing a 10.00% increase [2] - The average trading price for Aopu Optoelectronics is reported at 57.17, indicating a strong performance in the market [2] Group 2: Market Trends - The retail sector has seen a significant surge, with Central Mall hitting the limit up, and other companies like Baida Group, Dongbai Group, and Yonghui Supermarket also experiencing gains [2] - The commercial aerospace sector is highlighted with stocks like Tianyin Electromechanical and Tianli Composite showing substantial increases of 15.81% and 12.25% respectively [5] - The overall market is experiencing a rotation of hotspots, with a focus on capturing signals of sector movements and monitoring main capital flows [6]