Diamonds and Cubes by Patrick Mansell

Sometimes the stock market moves in unexpected ways. When the Fed publishes a statement that shatters stock vaues all over the world, many of the good traders at Market Makers in San Diego are financially decimated. Nick Anthony, the owner of the firm steps up and launches a scheme to recover losses through insider trading, but has to move carefully when he discovers that his counter-parties are on Interpol's radar.