Palantir (PLTR 11.14%) has been one of the hottest stocks of the year, rising around 275% as of the time of writing. However, a massive chunk of that gain came right after Palantir's blowout third-quarter earnings; the stock rose 23% the next day. But that strength has continued well past the day following earnings, as the stock is now up 56% since the company announced outstanding results on Nov. 4. Clearly, many investors are piling into Palantir's stock, but is that a good idea? After all, the stock has ...