Vanguard cautions that a $105 billion fund is increasingly exposed to a single stock, raising concerns about diversification. This trend underscores the growing dominance of mega-cap stocks and prompts investors to re-evaluate their portfolio strategies.
Vanguard Warns $105 Billion Fund Faces Single-Stock Concentration Risk
VanguardFund ManagementDiversificationInvestment StrategyMega-cap Stocks

