Teradyne Information Technology | S&P 500 | TER | | 2019 - 31,142 2020 - 31,653 2021 - 31,691 2% | 2019 - 75,538 2020 - 75,472 2021 - 77,539 Fluctuating | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - 73,074 2020 - 61,402 2021 - 140,536 Fluctuating | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - No data 2020 - 0.05 2021 - 0.03 No data |