指数样本，最新调整！

Group 1: Market Adjustments - On January 6, the China Securities Index Co., Ltd. announced temporary adjustments to the sample of the CSI 1000 and CSI 500 indices, effective after the market close on January 9 [1][3] - Chip source microelectronics was added to the CSI 500 index, while Mingyue Optical was added to the CSI 1000 index [3] - The stock price of Chip Source Microelectronics rose over 7% during the trading session on January 6, reaching a historical high of 165 CNY per share, and closed at 158.99 CNY, with a market capitalization of 32.1 billion CNY [3] Group 2: Company Performance - For the first three quarters of 2025, Chip Source Microelectronics reported a revenue of 990 million CNY, a year-on-year decrease of 10.35%, and a net loss attributable to shareholders of 10.05 million CNY [3] - The company has a significant amount of inventory and contract liabilities, with 900 million CNY in inventory and 800 million CNY in contract liabilities as of the third quarter of 2025, indicating potential for future growth [4] - The company is focusing on three main areas: photoresist coating and development, single wafer cleaning, and advanced packaging, with strong growth potential supported by its major shareholder [4] Group 3: Market Trends - The A-share market showed increased activity, with the Shanghai Composite Index rising 1.5% on January 6, marking a 13-day consecutive increase and reaching a 10-year high [6] - Analysts predict that the A-share market will continue to experience a slow upward trend, supported by domestic liquidity and policy expectations [6][7] - Key sectors to watch include commercial aerospace, artificial intelligence, robotics, and cyclical sectors like oil and non-ferrous metals [8]