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The fundamentals will depend on the low growth of the industry where the stock company's financial report is located, how the current stock price is valued compared with the stocks in the same industry, whether there will be extended mergers and acquisitions in the future, whether there will be asset injection expectations, and so on.
Technology moving average number of K-lines and some technical indicators, such as KDJ MACDCCCIne, are used to find specific trading points.
As a retail investor, there is not much information available, mainly from block trades, records of investor relations activities, quarterly changes in the number of shareholders and the list of dragons and tigers.