When you buy a share of a business, people at that business innovate and change the business itself. The thing you buy and the thing you sell aren't identical.

When you buy a share of a business, people at that business innovate and change the business itself. The thing you buy and the thing you sell aren't identical. When you buy a bond you trade some money now for more money later under an organized system. When you buy gold or pork bellies or btc it cannot change. It cannot act. It can only sit there and hope to be resold at another price.