How to lower your investment risk when stocks are so expensive - MarketWatch

1. JPMorgan's CEO states that asset prices are inflated currently. 2. The S&P 500 has a forward P/E ratio of 22.2, up from 20. 3. Magnificent Seven companies make up 33% of SPY, amplifying downturn risks. 4. Investors may forget past declines despite returning 58% through 2024. 5. Trump's AI investment initiative could influence market dynamics positively.