It matters for investors because consumers spend a lot of money to participate in world-wide events. This means an increase in revenue for many business involved. Checkout the snapshot from this article and you'll see some companies you already know: Visa (V), McDonalds (MCD) and Coca-Cola (KO). Also think of AirBNB (ABNB) and how it will generate a lot of revenue from travelers around the world over the next month!