
When thinking about stocks that have staged massive turnarounds in the second half of 2025, MongoDB (NASDAQ: MDB) is near the top of the list. On Aug. 26, shares closed near $214, putting MongoDB down 8% on the year. Year-to-date, MongoDB trades at $402, up 73% in 2025. Two very strong earnings reports have led to this reversal. The tech stock jumped 38% on Aug. 27 in reaction to the firm’s earnings release that quarter.
MongoDB shares surged 22% on Dec. 2 after the company reported strong quarterly results and raised its full-year guidance. The stock reaction reflects renewed confidence in both near-term momentum and the company’s long-term growth trajectory.