GS Retail (KRX:007070) swung to a third-quarter net loss of 60.9 billion won from a net income of 68.3 billion won a year earlier, according to a Thursday filing with the Korea exchange.
Sales for the quarter ended September were 3.054 trillion won, up 3.7% from 2.946 trillion won in the year-ago period.
Shares of GS Retail fell over 5% in recent trade.