PET Copper Foil Concept Rises 2.39% as Shuangxing New Material Hits Limit Up
On September 14, 2026, the PET copper foil concept rose 2.39%, ranking ninth among concept sectors, with 41 stocks advancing. Shuangxing New Material hit the daily limit. Defu Technology led net inflows at RMB 337 million, while the sector attracted RMB 711 million in main-force net inflows. Far East Smarter Energy saw the largest outflow at RMB 606 million.
At the close on September 14, 2026, the PET copper foil concept rose 2.39%, ranking ninth among concept sectors by gain. Within the sector, 41 stocks advanced. Shuangxing New Material hit the daily limit, while Oulai New Material, Taijin New Energy and Delong Laser led the gainers, rising 14.12%, 12.48% and 8.55% respectively. Hailiang, Fangbang and Far East Smarter Energy led the decliners, falling 4.43%, 4.18% and 3.91% respectively.
Among other concept sectors on the same day, lab-grown diamonds rose 4.42%, CRO concept gained 3.40%, MLCC concept added 3.14%, weight-loss drugs climbed 2.73%, recombinant proteins advanced 2.63%, EDR concept rose 2.56%, oximeters gained 2.48%, cellular immunotherapy increased 2.46% and Alzheimer's concept rose 2.33%. On the downside, military asset restructuring fell 3.17%, genetically modified organisms dropped 2.30%, CSSC-related stocks declined 2.12%, grain concept lost 2.09%, supply and marketing cooperatives fell 2.05%, domestic aircraft carriers slipped 1.94%, corn dropped 1.89%, pork declined 1.86%, land transfer fell 1.69% and chicken farming lost 1.66%.
On the capital flow side, the PET copper foil concept sector recorded RMB 711 million in main-force net inflows on September 14, 2026. Of that, 33 stocks saw main-force net inflows, with six stocks attracting more than RMB 100 million each. Defu Technology led with RMB 337 million in net inflows. Tongguan Copper Foil, Jiemei Technology and Woguang Optoelectronics followed, with net inflows of RMB 201 million, RMB 187 million and RMB 185 million respectively. Hangdian, Taijin New Energy and Nuode Investment also recorded main-force net inflows exceeding RMB 90 million.
In terms of inflow ratios, Shuangxing New Material, Jinjia and Fangbang posted main-force net inflow ratios of 15.22%, 12.62% and 12.43%, ranking at the top. On the outflow side, Far East Smarter Energy saw RMB 606 million in net outflows, ZTT recorded RMB 307 million in net outflows and Hailiang saw RMB 84 million in net outflows. Jiayuan Technology had RMB 48 million in net outflows, Jiaocheng Ultrasound RMB 21 million and Guanghua Technology RMB 20 million.