Mark's Water Cooler

This weekend I'm in New York, where my trading career started. That career led to Option Pit, which turned 16 in April. But something you

A friend handed me a felony over a beer. This was years ago, back when I still lived in Chicago. He worked for a big

Have you ever heard the term "sandbagging"? The Oxford English Dictionary's third definition is the one that matters to me: "deliberately underperform in a race

Dear Trader, The day they put me on a badge at the American Stock Exchange (AMEX), floor slang for officially becoming a member who can

I'm always pushing my son not to cheat. Not even the cheating that's allowed. When he's working through a problem or grinding on a history

I'm a huge baseball fan, and a die-hard Chicago Cubs fan in particular. 2016 was one of the top two or three years of my