Group 1 - The latest stock price of the company is 19.90 yuan, an increase of 0.06 yuan from the previous trading day [1] - The stock opened at 19.40 yuan, reached a high of 20.00 yuan, and a low of 19.05 yuan during the day, with a total trading volume of 235,830 hands and a transaction amount of 465 million yuan [1] - On August 15, the stock exhibited a rapid rebound, with a rise of over 2% within five minutes, reaching a price of 19.59 yuan by 9:35 AM, with a transaction volume of 54.95 million yuan [1] Group 2 - The company operates in the specialized equipment manufacturing industry, focusing on the research, production, and sales of oil drilling equipment [1] - Main products include drilling rig components and wellhead devices, which are essential for oil drilling operations [1] - On the same trading day, the net inflow of main funds into the company was 22.50 million yuan, with a cumulative net inflow of 18.31 million yuan over the past five trading days [1]