Late 2019, I launched https://stocks2.com https://stocks2.com , a financial site that posts a daily updated report for all NASDAQ/NYSE stocks. It started well,

Late 2019, I launched https://stocks2.com https://stocks2.com , a financial site that posts a daily updated report for all NASDAQ/NYSE stocks. It started well, increasingly growing audience and Adsense revenues until Google's May 2020 core update. Since then, the site started sliding in the SERPs and finally it now disappeared from Google. Honestly, I still don't understand why Google has penalized the site so much. Any feedback will be appreciated.