So nobody turned a profit by correctly shorting TWIT or FIT as soon as possible or by jumping in on FB when it plummeted to <$20 a share in 2012? Seeing that tr

So nobody turned a profit by correctly shorting TWIT or FIT as soon as possible or by jumping in on FB when it plummeted to <$20 a share in 2012? Seeing that trend on FB specifically, instead of jumping in on the IPO, is the difference between 4x and 8x your investment by today's valuation. Tech stocks are regularly IPO'd on pure hype, and the market will regularly turn on them when they don't understand the business model.