I agree that coins with Coins with token burning feature and auto-deflationary coins are very popular, because now the inflation in many contries are big and they allow to safe money and even earn money for the growth of the price. Come the apps of such coins you can download from the google apps such as
https://play.google.com/store/apps/details?id=com.xaltbase.appIt makes auto-deflationary very popular.
Usually for investment purposes, people invest in cryptocurrencies when the market is growing, and when the market is falling, people are afraid to invest in cryptocurrencies.
When the market is growing, people buy cryptocurrency at an expensive price, but when the market is falling, there is an opportunity to buy cryptocurrency cheaply.