One of Warren Buffett's favorite ETFs attracts $100B for first time

Berkshire Hathaway CEO Warren Buffett, as usual, was onto something when the company picked up Vanguard’s S&P 500 ETF (VOO), a few years ago. Since then, the exchange-traded fund has gradually become a darling of retail investors, crossing $100 billion in net cash flow for the first time this year. "Vanguard’s ownership structure is unique in the industry — we’re owned by our funds, which are in turn owned by the funds’ shareholders. So, we have no div