$SNAP's CEO is selling some stock. You should too. $SNAP, Snap Inc. / H1 That the SNAP app is worth $4.5 billion is temporary. The future growth rate will not merit today's valuation.Sell $SNAP stock.Related: More upside in both Twitter $TWTR and Facebook $FB.Agree or disagree? Login now to vote. Join the group of Value Stocks. With Over 800 members. Comment below.