I know that the planet is being built non-stop across the world.Caterpillar, Inc.BATS:CATMaximus20000I know that the planet is being built non-stop across the world... but how far are we going to go? CAT This market has gone completely crazy! Either we go from overselling to overbuying, or we witness a total bubble! When is this circus going to stop? Soon, half on SPY will have P/E ratio of 100 and everyone will find that normal!