Tim Harder says recent volatility tied to geopolitics has created a rare opportunity for investors to rebalance portfolios. He explains why maintaining AI exposure while reducing concentration risk in the S&P 500 (SPX) may favor mid‑ and small‑cap stocks, along with dividend strategies like the iShares Core Dividend Growth ETF (DGRO). Harder also weighs in on international diversification, crude oil stability, and the Fed’s challenge as inflation concerns collide with labor‑market risks.