There’s been loads of these signals and the market keeps ignoring them.
Not saying that will happen, but it's always good to rewatch just as a reminder how bad things can get.
The best play for all portfolio managers is to froth up the stock price and take their returns later.
Everyone knows this a bubble but the returns at the end of this of those who time it are juicy - portfolio managers have no choice to be in this game because those who supply the money they invest on their behalf, demand it.
Its that simple.