The mangrove swamp on Palm Beach has not been used in any manner since at least 1958 when aerial images were fist taken.

Interactive Brokers' Founder and Chairman Thomas Peterffy joins 'Closing Bell Overtime' to talk quarterly results.

Interactive Brokers Group, Inc. (Nasdaq: IBKR) announces that its Chairman Thomas Peterffy will speak at the BofA Securities ...

One of the largest remaining tangles of undisturbed mangrove swamp on the island of Palm Beach was sold to billionaire Thomas Peterffy last year by a branch of the Audubon Society. The $1.3 ...