2020 saw enormous stock market gains. High-profile fast movers – like Tesla (TSLA), Apple (AAPL), Amazon (AMZN) and Zoom (ZM) – blazed seemingly unstoppable (though volatile) upwards growth paths. And thanks to stock-market apps and online trading platforms offering friction-free access to everything the market has to offer, everyone could (and did) participate. Ordinary investors with no special training or knowledge entered the market with modest means and exited with newfound wealth.