How to protect your record 2025 stock market portfolio gains from what could come next

Group 1 - The Federal Reserve's potential rate cut is influencing market expectations, but a weakening labor market may indicate broader economic troubles ahead [1][4] - Global equities are at record highs, with significant increases in 401(k) and IRA millionaire accounts, suggesting a possible tipping point for market overconfidence [2] - Despite recent market gains, there are signs of rocky trading days in September, and a more significant market lull may occur later in Q4 [2][3] Group 2 - The concentration of mega-cap tech stocks in the S&P 500 remains high, with the top eight stocks accounting for nearly 40% of the index, raising concerns about portfolio risk [6][8] - Nvidia has experienced a decline, marking its worst week since April, indicating potential volatility in the tech sector [7] - Investors are advised to reassess their exposure to tech stocks and consider diversifying into value and defensive stocks, which have been underrepresented in recent market gains [9][10]