https://www.cnbc.com/2018/08/03/why-apples-1-trillion-milestone-wont-revive-tepid-stock-trading-vol.html

Investors were excited about Apple hitting a $1 trillion market value, but it's unlikely to result in the one thing the trading community really wants: higher volumes.

It's no secret that trading volumes have been stagnant for years. But that doesn't mean no one is trading. The dollar volume of trading — the amount of shares traded times the price of the stocks — has never been higher.