CNBC’s Bob Pisani has had a unique vantage point to watch the cataclysmic changes modern markets have endured since the 1990s. With most of his career spent broadcasting from the floor of the New York Stock Exchange, Bob’s become not just a student of markets and trading but of the people who constantly perturb the complex systems society has collectively decided to make “the market.” In his new book, “Shut Up and Keep Talking,” Bob looks back on his career and, as a consummate storyteller, talks about the people who have made, celebrated, upset, and reinvented the investment landscape.