Group 1 - The stock price of Dongfang Yuhong is 12.40 yuan, down 0.72% from the previous trading day, with an opening price of 12.49 yuan, a high of 12.54 yuan, and a low of 12.35 yuan, with a trading volume of 212,400 hands and a transaction amount of 264 million yuan [1] - Dongfang Yuhong operates in the construction materials sector, focusing on the research, production, and sales of building waterproof materials, which are widely used in various fields such as housing construction, highways, urban bridges, subways, and airports [1] - As of the end of the second quarter, the social security fund held 37.9341 million shares of Dongfang Yuhong, a decrease of 6.57% from the previous period, accounting for 1.98% of the circulating shares [1] Group 2 - The Kuwait Investment Authority and other QFII institutions are among the top ten circulating shareholders of the company [1] - MSCI China A-share Index will remove Dongfang Yuhong from its constituent stocks, with the adjustment effective after the close on August 26 [1] - On the same day, the net outflow of main funds from Dongfang Yuhong was 16.0331 million yuan, accounting for 0.07% of the circulating market value, while the cumulative net inflow of main funds over the past five trading days was 60.4932 million yuan, accounting for 0.25% of the circulating market value [1]