"YoY" is "year over year" in finance terms, it just some comparison of data from one year to data from the previous year. "Stonks" is an intentional misspellin

"YoY" is "year over year" in finance terms, it just some comparison of data from one year to data from the previous year. "Stonks" is an intentional misspelling of "stocks" which is a meme word used humorously (like "pwn") and it implies that the speaker doesn't understand financial markets