I invite you to watch Mike Green videos. In short, the current market rely on inflow of money to substain itself. P/E ratio can't increase forever. There will b

I invite you to watch Mike Green videos. In short, the current market rely on inflow of money to substain itself. P/E ratio can't increase forever. There will be a tipping point and if most of the money is invested based on an algorithm, it can unravel rapidly. https://www.youtube.com/watch?v=dkL4oz8iEg4 https://www.youtube.com/watch?v=dkL4oz8iEg4