By Medha Singh (Reuters) – Retail investors find well-established stocks and bond markets to be more arcane than the wild world of cryptocurrencies, a survey by the World Economic Forum (WEF) showed on Thursday. The privately-funded WEF’s survey, in collaboration with BNY Mellon and Accenture, showed that 29% of investors said they did not understand the nascent cryptocurrency market, whereas nearly 40% of investors noted that they didn’t understand stocks or bonds. The survey also revealed that 70% of retail investors were under 45 years of age. “With global adoption and trading volumes of cr…