Group 1 - The stock price of Beiba Media closed at 4.65 yuan on July 31, 2025, down 1.69% from the previous trading day [1] - The stock exhibited significant volatility during the trading session, with a maximum price of 4.92 yuan and a minimum of 4.64 yuan, resulting in a fluctuation of 5.92% [1] - The total trading volume for the day was 239,800 hands, with a transaction amount of 114 million yuan [1] Group 2 - Beiba Media's main business includes automotive services and advertising media, operating in areas such as bus advertising media operations and automotive sales and maintenance in Beijing [1] - The company is also involved in services related to new energy vehicles [1] - During the trading session, the stock experienced rapid fluctuations, with a rebound of over 2% within 5 minutes at 10:19 AM, followed by a decline of over 2% within 5 minutes at 10:24 AM [1] Group 3 - The net inflow of main funds during the trading day was 7.22 million yuan [1]