Palantir Technologies (NYSE: PLTR) is a data analysis software outfit that’s popular among growth investors. The company counts big names such as the US Department of Defense, US Army, and US Food and Drug Administration as some of its customers. Since going public in September last year, Palantir’s share price has more than doubled. Source: Google Finance Despite the company’s popularity, I’m staying away from the stock for one simple, yet important, reason. Strong Revenue Growth, But… Palantir has seen solid revenue growth in the past. According to its SEC Form S-1 filing, Palantir’s top-line grew from US$595.4 million in 2018 to US$742.6 million in 2019, up 25%. For the full year 2020, which was just announced, revenue crossed the US$1 billion mark to US$1.09 billion, increasing at a faster clip of 47% year-on-year. For 2021, Palantir expects revenue to grow greater than 30% year-on-year and for the first quarter of 2021, sales to increase by 45%....