[Alpha Biz=(Chicago) Reporter Paul Lee] Kiwoom Securities, which is under growing controversy over unpaid bills related to Youngpoong Paper, has decided to ban attempted transactions and credit loans for 15 stocks.

According to the financial investment industry on the 24th, Kiwoom Securities will raise the margin of 15 stocks including EcoPro, EcoProBM, POSCO Holdings, POSCO DX, Rainbow Robotics, Hanmi Semiconductor, LS Networks and Shinsung ST to 100%. This means that 100% cash is needed to buy stocks.

In fact, some of the 15 stocks, which are heavily affected by supply and demand, saw strong selling, with their stock prices falling.

Kiwoom Securities also saw its stock price fall 23.93% on the same day.

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