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

1. Weak nonfarm payrolls raise expectations for a Fed rate cut. 2. Mega-cap tech stocks dominate the S&P 500, posing concentration risks. 3. Defensive sectors like healthcare show potential for portfolio diversification. 4. Inflation remains high, complicating Fed's rate cut decisions. 5. Market sentiment is cautiously optimistic but potential overconfidence exists.