If Palantir's growth starts to show signs of slowing down, that could lead to a considerable correction for this highly priced stock.Palantir Technologies (PLTR 0.67%) has been an unstoppable stock to own in recent years. It is a trusted partner for the U.S. government and it has also been growing its commercial business at a fast pace, thanks in large part to the success of its Artificial Intelligence Platform (AIP). In the past 12 months, Palantir's stock has risen an astounding 380%.But there may be trou ...