The S&P 500’s rally since April has left investors puzzled. Concerns over tariffs causing stagflation or recession were rampant, but stocks have shrugged off worries since Trump paused tariffs. Veteran fund manager Doug Kass warns of risks post-rally, including AI-driven market manipulation and FOMO-driven gains in risky stocks.

Computerized trading and speculative options market activity have fueled momentum, creating a self-perpetuating cycle of gains. Risky stocks in emerging industries like crypto, AI, space, and quantum computing have soared, despite lacking profitability. The S&P 500’s 2024 gains were driven by AI spending and low interest rate expectations, but economic cracks are appearing.

Despite layoffs, rising unemployment, and reduced GDP growth forecasts, the stock market has largely ignored economic challenges. Valuations are high, with the S&P 500’s forward P/E ratio at 22.4, historically signaling lower future returns. Kass advises caution, holding cash for potential market weakness as earnings estimates drop amid climbing equities.

Kass sold numerous long positions, building cash reserves due to perceived high risk and low reward potential in the market. While acknowledging the market’s ability to defy expectations, Kass stresses the importance of staying vigilant. Despite declining earnings estimates, equities continue to climb, prompting caution and readiness to capitalize on any market weakness.

Read more at Yahoo Finance: Veteran fund manager points to glaring problem with stocks after rally