Wiktionary
falling knife
n. (context trading English) A stock whose price has dropped rapidly.
Usage examples of "falling knife".
But my blindly upswung hatchet met his falling knife and he impaled himself on my knife as he lunged in, his death-yell ringing like a peal of doom under the forest-roof.
He heard the usual double-thud, of falling knife and head, and he saw the head go tumbling into the wicker basket.
As I dove to grab the falling knife, Hull kicked my legs from under me.
But my blindly upswung hatchet met his falling knife and he impaled himself on my knife as he lunged in, his deathyell ringing like a peal of doom under the forest-roof.
She hit the floor, stunned and confused, as Mac snagged the falling knife from midair with his left hand.