At Insider Monkey we leave no stone unturned when looking for the next great investment idea. For example, this "mom" trader turned $2000 into $2 million within 2 years. So, we are checking out her best trade idea of the month. We read hedge fund investor letters and listen to stock pitches at hedge fund conferences. We go through lists like the 10 most profitable companies in the world to pick the best large-cap stocks to buy. Even though we recommend positions in only a tiny fraction of the companies we analyze, we check out as many stocks as we can. Now let's go over the recent hedge fund action surrounding Pacira Biosciences Inc (NASDAQ: PCRX ).