5 ADRs That More Than Doubled S&P 500 Returns in 2021 Posted byNalak Das December 28, 2021 Leave a comment on 5 ADRs That More Than Doubled S&P 500 Returns in 2021 We have narrowed our search to five ADR stocks that have rallied more than double the S&P 500 Index in 2021. These are: ASML, SSL, EQNR, WIT and ERJ.