Check the brokerage firm's execution rates and reliability.
Orders matched internally by firms are not exposed to the full market, where they may attract better prices, and the same can be true when brokers sell orders to other firms for execution, he has said.
But Mr Brennan stoutly defends such practices, and industry observers credit his firm's diligent execution of old-fashioned sales and marketing in remote bits of China for its booming sales.
"It's the retail investor that gets hurt because they are not sitting in front of a computer watching the market all day," said Scott Freeze, president of Street One Financial, a trade execution firm.
Jack Boye, who started one of the first discount-brokerage firms, as well as one of the largest wholesale execution firms, is the only American to have completed the grueling BOC Single-Handed Around the World Race, OSTAR (a solo transatlantic contest) and the French Route du Rhum.
Thus, the larger firms prefer independent execution and would rather keep employees on the bench than outsource work to small firms.
While Amnesty says it doesn't have firm evidence of executions carried out since December 2015, it adds that because detainees are still transferred to Saydnaya and the "trials" at the Military Field Court continue, "There is no reason to believe that executions have stopped".
He argues that even a process that is open to fresh thinking from the outside, as P&G's is, can be run the same way as a factory: "It is possible to measure the yield of each process, the quality and the end product".On the flip side, a firm known for emphasising execution over creativity is GE.
The smaller the firm, the bigger the execution risks.
