Sure. If you had better insight or wisdom than the market in general, ye, you can claim it was not a (bad) bet. Still probably bad to go essetially all in on on

Sure. If you had better insight or wisdom than the market in general, ye, you can claim it was not a (bad) bet. Still probably bad to go essetially all in on one stock though, even if you are 90% sure? Personally, I thought that Facebook had peaked around IPO and would slowly go irrelevant.