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It's an interesting point to consider, especially with sector-specific ETFs like EEM seeing such movements. While DCA generally serves well over the long haul, I wonder if the 'tactical' approach you're referring to involves more about smart rebalancing or actual market timing bets, which tend to be difficult to execute consistently.

I agree there are times when active management can shine, especially in volatile or sideways markets. However, the challenge for most retail investors is consistently outperforming passive benchmarks after fees and taxes.

It's an interesting point. While the core idea of passive investing still holds for many, I agree there are periods, especially with sector-specific or regional movements like EEM's recent action, where a more dynamic approach to asset allocation could potentially mitigate downside or capture overlooked opportunities. The challenge, of course, is timing that shift effectively.