Writer

mannheim

Darien, Connecticut

Started at Dean Witter as a runner in 1979. Block desk at Salomon Brothers from 1986. Ran his own book on the NYSE floor from 1997 until 2005, when the specialists were pushed out by electronic matching. Lives in Darien, Connecticut, with his wife and a Labrador called Otto. Two grown sons in Boston. Reads John O'Hara in the evenings.

7 articles
Famous Traders & Investors

Carl Icahn: The Activist Investor

Carl Icahn is the man who taught American boards to be afraid of their own shareholders. Princeton philosophy in '57, options arbitrage at Dreyfus by '61, his own…

Market Crises & Events

The Hunt Brothers Silver Corner of 1980

March 27, 1980. I was nineteen, a runner at Dean Witter, and I didn't have a silver position to lose. A fellow named Bobby Castellano did. Bobby ran…

Stock Trading Encyclopedia

What Is a Stock Index?

A stock index is a number that summarizes how a defined group of stocks is performing as a whole. It is built by selecting a universe of names,…

Market Crises & Events

The Black Monday Crash of 1987

Black Monday set the template. Every market dislocation that followed borrowed something from the afternoon of October 19, 1987 — the speed of the drop, the role of…

Market Crises & Events

The Crash of 1929

There was an old fellow on the Salomon block desk named Addy Cartwright who’d started as a runner at Hornblower & Weeks in 1931, two years after the…

Famous Traders & Investors

Jesse Livermore: The Boy Plunger of Wall Street

November 28, 1940. Sherry-Netherland Hotel, East 59th. Livermore finishes two old-fashioneds in the cloakroom, walks to the men’s lounge, and shoots himself. The note in his pocket runs…