The company was acquired by Kolmar Korea from CJ Healthcare, and its stock price has risen for three consecutive trading days due to the recent acquisition of the rights to new drugs, allowing it to sell at almost the highest price since the listing date of 45,150 won. However, the public offering price of HK Innoen lost 59,000 won and -55,766 won. Fortunately, the amount is not large, but it is a big loss if the time and opportunity cost that we have been waiting for are added. (In fact, there are still some of these stocks that I have been taking.)Public offering stocks also need to study. My friend recommended it to me, so I had to follow others. I’ve lost money. After that, I read the investment manual posted on the electronic disclosure system Dart, check newspaper articles, check what company this company is doing, how much sales, and the numerical demand forecast results that institutions evaluate companies.Subscription for public offering shares has closed in 2023, leaving only DS single stone and two SPAC listings. Let’s check the schedule of public offering shares in December and talk about three things we need to be careful about when investing in public offering stocks while looking at the return on new listed stocks sold in two years and three months.Photo Source: K-Bank initial public offering mateListed on August 9, 2021, HKInnoN sold four weeks on the day of listing and closed with a drop, so I took it because I thought it would go higher the next day, but I couldn’t sell it the next month or the year after, and I kept holding it. In November of this year, I was finally able to reach my target amount and sell it.It is easy to sell public offering shares as soon as possible and forget that they are no longer my stock. Of course, there are stocks like Eco Promaterials that show good stock price trends even after listing, but it is rare and it is not known how far they will rise, so it is better not to look for and check the stock price anymore. If the public offering stock market, which is likely to continue to only give profits, overheats, and many subscribers flock, the expected profit will inevitably decrease, which requires attention.