A股早评：创业板指高开1.18%，CPO、铜缆高速连接概念活跃！腾景科技、光库科技涨8%，长飞光纤涨6%，西部黄金涨3%

Market Overview - The A-share market opened with mixed performance among the three major indices, with the Shanghai Composite Index down 0.15% at 3807.76 points, while the Shenzhen Component Index rose 0.44% and the ChiNext Index increased by 1.18% [1] Sector Performance - The CPO and copper cable high-speed connection concepts opened higher, with Tengjing Technology and Guangku Technology (300620) both rising approximately 8%, and Changfei Optical Fiber (601869) increasing over 6% [1] - Gold prices have recently reached new highs, leading to continued gains in some gold stocks, with Western Gold (601069) rising over 3% [1] - The military equipment sector opened lower, with Changcheng Military Industry (601606) hitting the daily limit down, and Inner Mongolia First Machinery (600967) and Beifang Changlong both dropping over 5% [1] - Oil and gas stocks generally declined, with Tongyuan Petroleum (300164) falling nearly 4% and China National Offshore Oil Corporation (CNOOC) decreasing over 1.5%, amid reports that OPEC+ is considering another production increase [1]