Downdraft (noun)

1. A downward current of air.
2. A sudden drop in stock prices.

Origin:

Down + draft.

Examples:

1. The downdraft caused the plane to descend rapidly.
2. The sudden downdraft of wind caught the kite by surprise.
3. The investor was caught off guard by the severe downdraft in the market.
4. The company's stock suffered a steep downdraft after the announcement of the CEO's resignation.
5. The pilot had to struggle to regain control of the plane during the downdraft.