All four of these stocks in the S&P 500 have more than doubled. Some of the names might surprise you. The broader benchmark S&P 500 has ripped all year and is now up nearly 22%. The index is a bellwether for the entire market and includes 500 larger companies in many industries. Technically, the S&P 500 has more than 500 stocks because some companies have multiple classes of shares. With such a wide sample size, many stocks in the S&P 500 have performed worse than the broader index and many have performed b ...