Meet Goldman Sachs' top quant, Bankers in Portland, Alt data may not be a gold mine

  Hi readers, This year's IPO class has been a case of the haves — and the have-nots.  This week, we saw the software companies Datadog and Ping Identity soar in their public-market debuts.  Compare that with SmileDirectClub, the teeth-straightening company that was the first US IPO since the financial crisis to raise more than $1 billion and price above range but fall in its opening trade. That led some to believe the IPO had been mispriced by its lead bank, JPMorgan. The...