If the electric carmaker enters the S&P 500 index, as is widely expected, Wall Street's most controversial stock would start appearing in even the most mainstream investment accounts.
How do some of the most respected investors on the planet think Americans should be investing their money? NPR talked to three about what a retirement portfolio should look like.
Curtis Carroll taught himself to read in prison. He also discovered a passion for finance. Now inmates and guards seek out his advice, and everyone calls him Wall Street.