Monitors display Coinbase signage during the company's initial public offering (IPO) at the Nasdaq MarketSite in New York, on Wednesday, April 14, 2021.Michael Nagle | Bloomberg | Getty ImagesCoinbase Wednesday reported weaker-than-expected third-quarter results, weighed down by muted trading in the cryptocurrency market.While trading is likely to be more lively in the fourth quarter, an October drop in the price of ether could offset current quarter growth in subscription and services, the comp...