These Were the 2 Worst-Performing Stocks in the Nasdaq-100 in March 2025
The Nasdaq-100 -- which tracks the largest 100 nonfinancial companies on the Nasdaq stock exchange -- had a tough run in March as it finished the month down 7.7%. That marked one of the index's worst monthly performances in about two years.However, the index's biggest losers saw much steeper declines. Semiconductor company Marvell Technology (NASDAQ: MRVL) ended March down close to 32.9%, and database software company MongoDB (NASDAQ: MDB) fell just over 34.4%.Continue reading

The Nasdaq-100 -- which tracks the largest 100 nonfinancial companies on the Nasdaq stock exchange -- had a tough run in March as it finished the month down 7.7%. That marked one of the index's worst monthly performances in about two years.
However, the index's biggest losers saw much steeper declines. Semiconductor company Marvell Technology (NASDAQ: MRVL) ended March down close to 32.9%, and database software company MongoDB (NASDAQ: MDB) fell just over 34.4%.