Group 1: Market Characteristics - The US stock market operates under different trading hours compared to domestic markets, influenced by daylight saving time and winter time, requiring investors to be precise in their timing to avoid missing important trading periods [1] - The US market employs a T + 0 trading system, allowing investors to sell stocks on the same day they are purchased, which increases trading flexibility but also raises the risk of increased transaction costs and decision-making errors [1] - There are no daily price limits in the US stock market, leading to potential significant price fluctuations in a short period, which demands higher risk tolerance and psychological resilience from investors [1] Group 2: Tax Considerations - The tax regulations related to US stock investments are complex, with different tax rates applicable to dividends, interest, and capital gains, depending on the type of income [1] - There are distinctions in tax policies between resident and non-resident investors, with non-residents potentially facing specific withholding tax rates on dividends [1] Group 3: Market Risks - The US stock market is influenced by various factors including global economic conditions, domestic economic data, and geopolitical events, which can lead to market volatility [2] - Changes in monetary policy, such as interest rate adjustments by the Federal Reserve, can significantly impact market liquidity and stock prices [2] - Different sectors such as technology, finance, and consumer goods exhibit unique characteristics and development cycles, necessitating thorough research and analysis to make informed investment decisions [2] Group 4: Investment Platforms - When selecting investment platforms and brokers, investors should consider factors such as service quality, commission fees, trading tools, and product variety [2] - Larger online brokers may offer convenient trading interfaces and extensive research reports, while smaller brokers might have competitive advantages in specific areas or lower commission fees [2] Group 5: Knowledge and Research - Investors should acquire foundational financial and investment knowledge, including understanding key metrics like price-to-earnings and price-to-book ratios, to evaluate stock value effectively [3] - Tracking and analyzing the fundamentals of listed companies, including product competitiveness and market share changes, is crucial for understanding a company's growth potential and risk profile [3]