Market volatility tends to challenge investors' willpower to stick to their plan. That's understandable because it tends to be easier to say you will focus on the long-term until uncertainty emerges. Geopolitics and artificial intelligence stirred up their share of highs and lows in 2026. What lessons can you learn from past market-moving events to stay invested? And where are the opportunities in the second half of the year?

Dominic Pappalardo is the chief multi-asset strategist for Morningstar Wealth. It's part of registered investment advisor, Morningstar Investment Management.