(Bloomberg) — Bats Global Markets Inc. is betting on a revolution in currency trading like the one in stocks 20 years ago. It began its crusade with a $365 million acquisition followed by a price war.

Using tools like forwards and options, currency-neutral funds hedge foreign-exchange risks. Investing in currency-neutral funds can protect against losses from unfavorable exchange-rate shifts.

President Donald Trump just held a pricey dinner for top owners of a cryptocurrency that bears his name. Meanwhile, lawmakers are working behind the scenes to regulate crypto on Capitol Hill. In other ...