“Investors need to have a long-term portfolio that doesn’t have to depend on a short-term prediction about the future,” Mark Matson argues. “Most investors are making a big mistake right now because they have so much of their money in large tech stocks.” He walks through his Dos and Don’ts of investing in 2025, citing P.T. Barnum’s “sucker born every minute” saying. He calls hedge funds Ponzi schemes and cryptocurrencies essentially worthless.