[159 stocks that have doubled this year Two major industries gathered together】October 2, as of September 30, this year, after excluding the first-day increase of new stocks listed during the period, 159 stocks have increased by more than 100%. The number of stocks from the electronics and mechanical equipment industries is the highest, with 64 and 24 stocks respectively. The number of doubled stocks in the two industries accounts for more than 50% of the total; the number of stocks from the medical and biological and basic chemical industries ranks third and fourth respectively, with 12 and 9 stocks respectively. These industry sectors where bullish stocks frequently appear are also sectors where popular concept stocks such as copper clad laminates and semiconductor equipment have been active this year. (China Securities Journal)