break the buck
v. phr.— «He thinks it’s unlikely the companies running money market funds would allow them to “break the buck,” as it’s known in Wall Street parlance even if the funds lost money on SIV-related investments. The draw of money market funds, of course, is that an investor putting in $1 get $1 back plus interest. If a fund were to, say, give back only 90 cents for every dollar, investors would be outraged.» —“Money Market Investors Face Latest Worry” by Tim Paradis Forbes Oct. 23, 2007. (source: Double-Tongued Dictionary)
Further reading
While reading Great Expectations (Bookshop|Amazon) by Charles Dickens, a listener in Arlington, Texas, is surprised when one of the characters inherits some money, which Dickens describes as a cool four thousand. Were they really using cool that way...
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...