As Tesla gets ready to finally join the S&P 500, its soaring value and a booming IPO market remind index fund investors about the power of single-stock bets.
Here's how much 5{fd6aea7e6a2888742764af34ead608f2c3373b57bd8a17fe1f4135b900e329d6} invested in Tesla could have made for S&P 500 index fund investor