Michael Lewis spent the first half of Tuesday promoting his book about high-frequency trading on NBC. In the morning, he went on NBC’s Today show. By midday he was on CNBC, taking in part in a battle royal over the merits of HFT. Lewis’s TV publicity tour started on Sunday night with an appearance on 60 Minutes. Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of basic arguments over its impact on markets and investors. The new book is typical Lewis. It’s a page-turner that reads like a novel and succeeds in making complex topics ... (full story)