President Donald Trump’s inconsistent approach to tariffs has caused market volatility, leaving investors uncertain. Barry Ritholtz’s book, How Not to Invest, offers timely advice by encouraging investors to focus on long-term perspectives. Ritholtz, co-founder, chairman, and chief investment officer of Ritholtz Wealth Management, which manages \$5.7 billion in assets, acknowledges the potential negative impact of tariffs on the U.S. economy. However, he advises investors to remain calm and adopt a logical mindset akin to Mr. Spock from Star Trek, avoiding emotional decision-making influenced by overwhelming information. — new from The Big Picture