What stock market indexes should crypto traders keep an eye on?

There are more than 50,000 publicly traded companies around the globe as of 2025. Trying to follow a specific market can feel pretty daunting. But even if you're into crypto, looking at stocks can offer some valuable insights into the crypto scene. These markets are intertwined and can influence one another in various ways. Here are some key stock market indexes that might help you understand how stocks are performing in different areas. The first three are major U.S. indexes that serve as benchmarks for the overall U.S. stock market. - Dow Jones Industrial Average: this index includes stocks from 30 big U.S. companies, selected for their quality and how well they represent different parts of the economy. - S&P 500: this one tracks the performance of the top 500 publicly traded companies in the U.S. - Nasdaq Composite: this index reflects the average performance of all stocks on the Nasdaq exchange, with a notable focus on tech stocks. - FTSE 100: tracks the performance of 100 companies on the London Stock Exchange. - DAX: includes the 40 largest companies on the Frankfurt Stock Exchange. - Nikkei 225: follows 225 companies on Japan's Tokyo Stock Exchange. - ASX 200: tracks Australia's top 200 companies. - Hang Seng Index: a key index for the Hong Kong stock market. - CAC 40: follows the 40 largest traded companies in Euronext Paris, including big names like LVMH, TotalEnergies, and L'Oréal. - Euro Stoxx 50: tracks the 50 largest companies in the Eurozone by market cap. So, as a crypto trader, why is it important to know about these indexes? Especially...