Cryptocurrency trading increasingly resembles the U.S. stock market of the late 1920s, Switzerland's top market regulator said on Wednesday, calling for regulators to take more action to protect consumers from abuse in the freewheeling sector. Governments are trying to work out how to best oversee the $890 billion crypto market, which is currently only covered by patchy regulation. Regulators and policymakers have long fretted over the risk to consumers from cryptocurrencies, with U.S. securities watchdogs among those to warn about the potential for manipulation of opaque crypto markets. "There's much more that can ... (full story)