After underperforming the benchmark index these stocks offer high dividend yields that are hard to ignore.This has been an amazing year for stocks, with a 12.6% rise in the benchmark S&P 500 index. Fortunately for us value-conscious investors, the latest bull run has been mostly constrained to a handful of stocks at the top.Bristol Myers Squibb (BMY 0.83%), Vici Properties (VICI 0.29%), and AT&T (T 0.21%) are dividend payers in the S&P 500 that haven't kept up with the biggest members of their index. At rec ...