Core Insights - The financing balance of the Sci-Tech Innovation Board increased by 279 million yuan compared to the previous day, with 41 stocks seeing financing balances rise by over 10 million yuan, including companies like Chipone Technology and Tianyue Advanced [1][2] Financing Overview - As of May 21, the total margin financing balance on the Sci-Tech Innovation Board reached 152.737 billion yuan, marking an increase of 287 million yuan from the previous trading day, continuing a trend of increases for three consecutive trading days [1] - Among the stocks, 391 had a financing balance exceeding 100 million yuan, with 15 stocks having balances over 1 billion yuan, and 130 stocks between 50 million and 100 million yuan [1] Stock Performance - Chipone Technology led in net financing purchases with a balance of 949 million yuan, increasing by 44.839 million yuan, and its stock rose by 1.98% [2] - Other notable stocks with significant net purchases included Tianyue Advanced and Ninebot, with net purchases of 39.119 million yuan and 33.628 million yuan, respectively [2] - The average increase for stocks with net purchases exceeding 10 million yuan was 0.82%, with top gainers including Jingwei Hengrun and Haichuang Pharmaceutical, which rose by 11.51% and 8.04% respectively [2] Industry Focus - The most favored sectors by margin traders included electronics, power equipment, and biopharmaceuticals, with 20, 5, and 4 stocks respectively [2] - Stocks with high financing balances relative to their market capitalization included Rongbai Technology, with a financing balance of 1.159 billion yuan, accounting for 12.69% of its market value [2]