Data TCNS Clothing ended in red on the opening day; Here is how other IPOs performed on their debut in 2018 Updated : July 31, 2018 06:37 AM IST TCNS Clothing is the 17th listing of the year, on the main bourses, ended at 8 percent discount on its issue price. Apollo Micro Systems has given the highest listing-day gains this year at 60.6 percent on its debut. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.