2024 has been a generally outstanding year for the stock market, with the S&P 500 (^GSPC 0.82%) up by nearly 30% year to date as of Dec. 11. However, not all stocks have performed nearly this well –- in fact, some components of the S&P 500 have underperformed the benchmark index by as much as 90 percentage points.Here are the five worst-performing stocks in the S&P 500 in 2024, and what to keep in mind before you buy any of them.Company (Stock Symbol)Price change YTDWalgreens Boots Alliance (WBA -5.57%)-60. ...