!!!!! are you guys dumb or what. I don't want the valuation to go any higher? Do you know what you are doing here to begin with? If you don;t want the valuation to go any higher, then you must believe the stock is very expensive and pretty much near full value. In that case, you sell some and book profit. If it sells off, you buy it back. If it doesn't, you smartly took some off the table.
The goal is not to get every last possible penny. The goal is not to lose.