Acquired correspondent contracts of Ridge Clearing & Outsourcing Solutions, Inc., making Penson the second largest securities clearing firm in the U.S. by correspondent count.
Launched Penson Financial Services Australia Pty Ltd to clear equities and exchange traded options in Australia.
Acquired Goldenberg Hehmeyer & Co.'s futures clearing business; opening international derivates trading to correspondents.
Opened Asia-Pacific offices in Hong Kong and Tokyo.
Penson Financial Services, Inc. became one of the first firms approved by NASD/FINRA to offer Portfolio Margining.
Acquired Computer Clearing Services adding over 50 new correspondents.
Initiated and completed Penson Worldwide, Inc.'s public offering, listing on NASDAQ with the symbol PNSN.
Acquired Nexa Technologies, Inc. and combined back-office systems with their leading web-based trading platform.
Acquired Tick Data, Inc. and began offering the largest database of historical intraday data for US and global futures, index, indicator and equity data.
This flawless, 101.7-carat, pear-shaped diamond—one of the world’s largest —will go up for auction at Christie’s “Magnificent Jewels” sale in Geneva on May 15, 2013. How much will it sell for? Choose the correct answer and registered site users will be eligible to win a one-year subscription to Christie's Geneva Jewelry sales catalogue, courtesy of Christie's. 
