DIA tracks just 30 companies, all household names, weighted by share price rather than market cap. That quirk matters: Goldman Sachs sits at 11.45% of the portfolio and Caterpillar at 9.53%, making financials and industrials the dominant forces at a combined 44.5% of assets. This is not a broad market fund. It is a concentrated bet on the most established American businesses.
While over-diversification is not a term you hear often, the financial industry has spent decades telling investors that more is better. More funds, more sectors, more geographic exposure, and more asset classes, galore. The thing is, when a retiree holds 15 or 20 ETFs across overlapping strategies, the result isn't going to be safety, more like dilution.
The Macro Factor: Small-Cap Tech Valuation Reset The biggest macro driver for PSCT is the repricing of small-cap technology stocks as interest rate expectations find their footing. After years of compression driven by rising rates, small-cap tech valuations are finally resetting. Many of PSCT's holdings operate in capital-intensive segments like semiconductors, networking equipment, and contract manufacturing. These businesses benefit from lower financing costs and improved access to capital for expansion.