Insider trading? Trump’s talk can move markets — and make some futures traders billions
William D Cohan writes: On Thursday, June 27, the S&P 500 index stood at about 2915; a week or so later, it was just below 3000, a gain of 84 points, or $4,200 per e-mini contract. Whoever bought the 420,000 e-minis on June 28 had made a handsome profit of nearly $1.8 billion. Traders in the Chicago pits have been watching these kinds of wagers with an increasing mixture of shock and awe since the start of the Trump presidency….