Sudden Big Drop in a Stock’s Value
Puzzle 10 of Same Letter at Both Ends Easy Pack
Question is: Sudden Big Drop in a Stock’s Value
and the answer is: PLUMMET
Word Meaning:
PLUMMET — (archaic, nautical) A piece of lead attached to a line, used in sounding the depth of water; a plumb bob or a plumb line.
Definitions from Wiktionary.