Easily one of the top-performing publicly traded enterprises this year, big data analytics specialist Palantir Technologies Inc. (NASDAQ:PLTR) continues to climb a wall of worries, despite growing anxieties regarding a brewing bubble in artificial intelligence. Since the start of the year, PLTR stock has gained more than 140%, undoubtedly putting a smile on long-term stakeholders' faces. However, not every detail is encouraging.First, on the bullish side of the argument, PLTR stock has soared in large part ...