If you want one ticker that captures the U.S. large-cap market with almost no friction, Vanguard 500 Index Fund Admiral Shares (NASDAQ:VFIAX) is the textbook answer. The fund holds $598 billion in assets and tracks the S&P 500 Index at a cost so low it barely registers. VFIAX exists for investors who have decided that ... Why VFIAX Still Beats VOO and SPY for Buy-and-Hold Investors