Keystone Technology(SH:605588) Xuan Gu Bao·2025-07-16 10:32Market Overview - The market experienced a slight pullback after an initial rise, with the Shanghai Composite Index and Shenzhen Component Index closing down by 0.03% and 0.22% respectively, while over 3,200 stocks rose and more than 1,900 stocks fell [4] Sector Performance - The computing power sector showed strength at the opening, with notable stocks like Zhongdian Port and Hongbo Shares hitting the daily limit, while other stocks like Hanguang Technology and Dazhi Technology also performed well [3] - The film sector saw a minor surge, with Hengdian Film hitting the daily limit and other companies like Wanda Film and Mango Super Media also rising [3] - The automotive parts sector experienced strong performance throughout the day, with multiple stocks including Dongli New Science and Technology and Yongtai Shares hitting the daily limit, leading to an overall increase of 1.72% in the sector [17] - The pharmaceutical sector had significant gains, with stocks like Lisheng Pharmaceutical and Wanbangde hitting the daily limit, contributing to a strong performance in the sector [3] Nvidia Concept Stocks - Nvidia concept stocks initially surged following the approval of H20 chip sales to China, with Zhongdian Port and Hongbo Shares hitting the daily limit, while other stocks like Altec and Robotech also showed strength [7] - The Nvidia concept index rose over 2% in the morning but closed with a nearly 1% increase [8] Film Industry - The film sector saw a rise of nearly 2.5% in the morning, driven by the upcoming release of major films, including Jiang Wen's "You Can!" and Da Peng's "Longan's Lychee," which are set to premiere this weekend [13] New IPO - Huadian New Energy - Huadian New Energy debuted on the Shanghai Stock Exchange, marking the largest IPO of the year, with an opening surge of nearly 73% and a peak increase of 220% during the day, ultimately closing up 125% [15]