Palantir has been one of the stronger-performing companies in the stock market this year.A high and growing valuation has not stopped investors from piling into the artificial intelligence (AI) decision-making company Palantir (PLTR +1.65%), which has seemed invincible up until recently.The company leverages large language models (LLM) to help companies and government divisions leverage data like never before. Palantir's technology can gather information from wide-ranging sources and use its data manipulati ...