7月28日连板股分析：连板股晋级率仅二成 上纬新材14个交易日涨超9倍

Group 1 - The core viewpoint of the news is that the advancement rate of consecutive limit-up stocks is only 22.22%, with a notable performance from a specific stock, Upway New Materials, which has increased over 9 times in 14 trading days [1] - A total of 55 stocks hit the limit-up today, with 5 consecutive limit-up stocks, including 2 stocks with three or more consecutive limit-ups [1] - The market saw over 2,700 stocks rising, indicating a general upward trend despite the limited advancement rate of consecutive limit-up stocks [1] Group 2 - Upway New Materials achieved 11 consecutive limit-ups in 14 trading days, resulting in a cumulative increase of over 9 times [1] - The Super Hydropower concept showed slight recovery, with Tibet Tourism advancing to 6 consecutive limit-ups [1] - The domestic commodity futures market experienced significant adjustments, with major contracts like coking coal, glass, and lithium carbonate hitting the limit-down [1] Group 3 - PCB concept stocks received a capital inflow, with Shenghong Technology rising over 17%, reaching a market capitalization of over 150 billion, a new historical high [1] - Other notable stocks include Tongguan Copper Foil with 2 limit-ups in 3 days, and several stocks in the engineering machinery and water conservancy sectors also showing strong performance [2]