Palantir Technologies (PLTR) is in the news after Friday’s announcement that the stock is being added to the S&P 500 index. No wonder – inclusion into the S&P 500 has triggered automatic buying, as index funds and others who have to match the S&P 500 are now forced to add PLTR stock to their portfolio. As I’m writing this, the stock is trading at about $34.50, down slightly for the day after a huge, 14% runup since the Friday announcement. But this is far from the end of the stock’s movement. Here’s where PLTR is going next, and how to trade it… Looking at the positioning of options traders, a…