also: したっぱなれ
noun
stock market slump; decline
Financial term for a downturn or slump in the stock market.
今日の下放れで多くの投資家が損失を出した。
Many investors suffered losses due to today's market slump.
下落 is a more general term for a drop or fall in prices, while 下放れ specifically refers to a stock market slump.
Compound of 下 (した, 'down') and 放れ (ばなれ, 'separation' or 'detachment'), literally 'breaking away downward', used figuratively for a market decline.