Why MongoDB, Blink Charging, Ampio Pharmaceuticals, and Denali Therapeutics Stocks Tanked Today

A funny thing happened on the way to the Christmas holidays and the end of the final quarter of 2020. All of a sudden, out of the blue, shares of multiple unrelated stocks began to sell off.

As the final hour of trading got under way Wednesday, shares of database software company MongoDB (NASDAQ: MDB) tumbled 4.8%, car charging network operator Blink Charging (NASDAQ: BLNK) fell 7.8%, and biopharmaceuticals Denali Therapeutics (NASDAQ: DNLI) and Ampio Pharmaceuticals (NYSEMKT: AMPE) fell 5.2% and 35.5%.

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Source Fool.com