Group 1 - Company announcements are crucial for investors as they provide insights into operational performance, new projects, and management changes, which can directly impact stock prices [1] - Earnings announcements are essential, as significant increases in revenue and profit indicate strong business performance, potentially leading to stock price appreciation [1] - Major asset restructuring announcements can signal significant changes in a company's business model, such as acquisitions or divestitures, which may create new growth opportunities or risks [2][4] Group 2 - Shareholding changes indicate shifts in the ownership structure, where increased holdings by major shareholders suggest confidence in the company's future, while reductions may raise concerns [3] - Dividend announcements reflect a company's profitability and willingness to share earnings with shareholders, which can attract investors seeking stable returns [6] - Project investment announcements highlight new initiatives that could drive future growth, but they also carry uncertainties related to execution and market demand [6] Group 3 - Monitoring these key announcements—earnings, asset restructuring, shareholding changes, dividends, and project investments—can help investors identify potential opportunities in the stock market [7]