<human>:  I need help understanding the stock market. What should I know?
<bot>: The stock market can be a complicated subject to understand. Here are some key concepts to consider: 
1. Risk and reward: Investing in stocks involves taking on risk in exchange for the potential rewards that come with it. Understanding the basic relationship between risk and reward is key to making informed decisions.
2. Supply and demand: Stock prices are driven by the forces of supply and demand. Having a basic knowledge of how these forces affect stock prices can help you make better decisions.
3. Market cycles: The stock market has regular cycles of highs and lows. Knowing when the market is likely to be bullish or bearish can help you make informed decisions.
4. Diversification: Diversifying your stock portfolio can help reduce your risk, as well as maximize your potential for gains.
5. Market analysis: Knowing how to analyze stocks and make informed decisions about when to buy and sell can go a long way in helping you make wise investments.
6. Financial regulations: Understanding the financial regulations governing stock markets, such as the Securities Exchange Commission regulations, can help you make informed investment decisions.