I'm as bullish as anyone but to even say it's going to 4000 without laughing is hard. Their market cap would have to go to somewhere around 1.2 trillion dollars...which would be something like 4 times microsoft... which is unrealistic
Um there is already a company with a market cap of 1 trillion in China. 1 trillion isn't that far fetched.
Value is a subjective perception. The markets trade more on group psychology than reality. Google is only worth as much as someone is willing to pay for it.
The following words by Benjamin Grahim have proven to be true in the history of any market: In the short term the market is a voting machine, but in the long term the market is a weighing machine.