break the buck

== English == === Etymology === Break (as in break the bank) + the + buck (“dollar (colloquial)”). === Pronunciation === === Verb === break the buck (third-person singular simple present breaks the buck, present participle breaking the buck, simple past broke the buck, past participle broken the buck) (US, idiomatic, finance, of a money-market fund) To fall below the value of one dollar per share. ==== References ====