中芯国际、佰维存储等，两融折算率又调整

Core Viewpoint - The announcement from Shenwan Hongyuan Securities and Shenwan Hongyuan West Securities regarding adjustments to margin securities and their corresponding rates indicates a significant shift in the financing landscape for certain stocks, reflecting dynamic risk management measures by brokers [1][3]. Summary by Category Margin Securities Adjustments - From October 13, several stocks including XianDao Intelligent, NanjiGuang, Manenseter, and others will see their margin securities rates adjusted from 0% to a range of 30% to 70% [1]. - Conversely, stocks such as Tongyu Heavy Industry and Chuangyitong will have their rates reduced from 65% to 0% [1]. Static Price-Earnings Ratios - Following recent declines, the static price-earnings ratios (PE) for XianDao Intelligent, NanjiGuang, and others have decreased, with current ratios being 276.75, 279.33, and 299.93 respectively [4]. - The adjustment of margin rates for these stocks occurred after their PE ratios fell below 300, while Tongyu Heavy Industry and Chuangyitong, which saw increases in their PE ratios above 300, had their rates set to 0% [4][5]. Market Performance - In the past two trading days, XianDao Intelligent, NanjiGuang, and others experienced significant declines of 14.69%, 7.48%, and 11.94% respectively [4]. - The recent performance of these stocks has influenced their static PE ratios, leading to the adjustments in margin rates by the securities firms [4].