The inside story of how JPMorgan's Finn fell apart; How to buy hedge funds' secret sauce

  Dear readers, Our hedge-fund reporter Bradley Saacks' profile of the hedge-fund data buyer, a little known but increasingly important job in the investing world, is a can't-miss story this week. Bradley trailed a guy named Roberto Jedreicich, the "chief data buyer" for Credit Suisse's internal hedge fund, for two days and sat in all his meetings. Basically, Jedreicich has a budget in the millions that he uses to buy "alternative data" like satellite images and credit-card...