Core Viewpoint - Feilo Acoustics' stock price increased to 7.19 yuan, reflecting a rise of 0.11 yuan from the previous trading day, indicating positive market sentiment towards the company [1] Company Summary - Feilo Acoustics specializes in the research, development, production, and sales of lighting equipment, electronic products, and intelligent control systems [1] - The company's products are widely used in commercial lighting, industrial lighting, and road lighting sectors [1] Market Activity - On August 21, the stock experienced significant volatility, with a rise of over 2% within 5 minutes at 9:36 AM, followed by a decline of over 2% within 5 minutes at 9:41 AM [1] - The stock opened at 7.20 yuan, reached a high of 7.48 yuan, and a low of 7.00 yuan during the trading session [1] - The trading volume was 1.5786 million hands, with a total transaction amount of 1.137 billion yuan [1] Capital Flow - On the same day, the net outflow of main funds was 10.9476 million yuan, accounting for 0.06% of the circulating market value [1] - Over the past five trading days, the cumulative net inflow of main funds was 144 million yuan, representing 0.8% of the circulating market value [1]