Buying beaten-down blue chip dividend stocks can be a great long-term investment strategy.Not all major indices have performed equally well so far in 2024. Year to date, the Nasdaq Composite is up 22.3%, while the S&P 500 index has delivered a solid 16.7%. However, the Dow Jones Industrial Average is sorely lagging with less than a 5% year-to-date gain.While it's typical for the Dow to underperform more growth-focused indexes during bull markets, this level of underperformance is a bit surprising considerin ...