The S&P 500 gets all the attention — big, broad, 500 stocks strong. But the Dow’s 30? They’re nothing to scoff at. They’re the giants. The big dogs. The backbone of the American economy. The Dow isn’t small, it’s an iceberg. And DIA is the only ETF that lets you reap the benefits of its depth. Because with DIA, there’s always more below the surface.