Trade Desk surged over 14% after hours! It will be added to the S&P 500 index, while expectations for AppLovin and Robinhood to be included were once again unmet. After the post-market jump, TTD returned to the level where it previously gapped down. Can it fill the gap this year? Is a return to $100 possible? Based on how other stocks performed after joining the S&P 500 in the past, can TTD continue to rally?