smile n. a line, graphed on a parabolic or bowl-shaped curve, that represents a risk or return relationship in investment markets. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
Is Murphy’s Law, or the idea that “anything that can go wrong will go wrong,” a slur against the Irish? This is part of a complete episode. Transcript of “Is “Murphy’s Law” A Slur Against the Irish?” Hi, you have A Way with Words. Hi there. This is...