Wall Street's disaster playbook never included work-from-home trading. Insiders explain how banks rapidly adjusted during one of the most chaotic markets in history.

· Much of Wall Street's trading force is now working from home. But trading remotely comes with disadvantages. 
· "Trading from home has never been done," a trading at exec at one of the biggest banks told Business Insider, referring to the company's business continuity plans. "It was not part of our playbook."
· Many large...