Compiled by ETF.com Staff   SEC Rejects Bitwise's Bitcoin ETF Proposal (Coin Desk) It was the last bitcoin ETF proposal still left standing. Why Endowments Are Underperforming (Bloomberg) Holdings of hedge funds and natural resources underperformed. New investments in private equity look no better. 5 More Years For This Cycle, Redux (Invesco) Even amid talks of recession and trade concerns, this cycle still seems to have some legs. What Is A Quantitative Fund? (Morningstar) Confused by quant investing? We break it down. Central Banks Not Creating Negative Rates (Bloomberg) Advances in technology and a growing global savings glut are pushing inflation and bond yields lower.