Group 1 - The company's stock price on July 30 was 21.92 yuan, down 0.50 yuan or 2.23% from the previous trading day [1] - The opening price for the day was 22.43 yuan, with a high of 22.98 yuan and a low of 21.50 yuan, and the trading volume reached 959,900 hands with a total transaction amount of 2.137 billion yuan [1] - The company expects a net loss attributable to shareholders of 30 million to 58 million yuan for the first half of the year, primarily due to a sluggish market in the superhard materials segment and impacts from product delivery changes and pricing policies in the special equipment segment [1] Group 2 - The company plans to improve its operational situation through optimizing its industrial layout and increasing R&D investment [1] - On July 30, there was a net outflow of 190 million yuan in main funds [1] - The company engaged in discussions with multiple institutions regarding its operational status and future development plans [1]