Core Points - The article highlights significant stock performance in the market, with a notable number of stocks achieving substantial gains in 2023 [7]. Group 1: Stock Performance - As of August 29, the Shanghai Composite Index closed at 3857.93 points, with a year-to-date increase of 15.10% [7]. - A total of 394 stocks have doubled in value this year, with 66 stocks increasing by over 200% [7]. - The stock with the highest increase is Shangwei New Materials, which has surged by 1151.35%, marking it as the first tenfold stock of the year [7]. - Three stocks have increased by over five times: *ST Yushun (717.98%), Shutaishen (619.84%), and Shenghong Technology (537.62%) [7]. - Four stocks have seen increases exceeding four times: Great Wall Military Industry (488.18%), North Long Dragon (448.01%), Shijia Photon (407.29%), and Honghe Technology (406.47%) [7]. - There are 12 stocks that have increased by over three times and 46 stocks that have doubled in value [7]. Group 2: Industry Analysis - The 394 doubling stocks belong to 26 different industries, with the machinery and equipment sector having the highest number of doubling stocks at 67 [7]. - The pharmaceutical and biological industry follows with 46 doubling stocks, while the electronics industry ranks third with 36 doubling stocks [7]. - The top three industries account for over 35% of the total doubling stocks, indicating a clear clustering effect [7].