Do People Need Failures to Learn Investing?

Many investors, especially beginners, tend to make numerous mistakes in the stock market. During the "beginner's luck" phase, they may make some money and become overconfident, attempting more aggressive strategies or chasing hype stocks (like meme stocks), only to end up losing more than they gained. Charlie Munger, Warren Buffett's late partner, once remarked, "There are no value investors under the age of 40."