Fed Chair Kevin Warsh Warns of Tough Times Ahead for Wall Street

• Fed Chair Kevin Warsh made comments suggesting tough times ahead for Wall Street.
• The S&P 500, Nasdaq Composite, and Dow Jones Industrial Average recently reached new highs.
• The AI-driven bull market on Wall Street celebrated its fourth anniversary last week.
• Warsh's remarks come as market indices continue to perform well despite underlying concerns.
• The AI infrastructure build-out is a significant factor in recent market performance.