What I always found interesting is the (psychological) asymmetry +50% means 50% slower -50% means twice as fast (or with stocks, going down 50% means you los

What I always found interesting is the (psychological) asymmetry +50% means 50% slower -50% means twice as fast (or with stocks, going down 50% means you lose half of your money, going back to the original value means you double your investment (for new investors) which I think basically drives stock market investments)