Answer: slumped

AnswerCrossword Clue
SLUMPEDWent 0 for 50, say
SLUMPEDFell in a heap.
SLUMPEDDeclined abruptly, as stocks
slumpedSit, lean, or fall heavily and limply, esp. with a bent back
slumpedUndergo a sudden severe or prolonged fall in price, value, or amount
slumpedSLUMP, to sink suddenly
slumpedFail or decline substantially