MarketsKOSPI also tumbles on concerns that memory chip stocks might have peakedThe tumble comes a few days after SK Hynix rose about 13% on its first trading day in New York. (Photo courtesy of SK Hynix)KIM JAEWONJuly 13, 2026 14:42 JSTUpdated on July 13, 2026 16:58 JSTSEOUL -- Shares of SK Hynix closed down more than 15% on Monday after the South Korean chipmaker successfully debuted on Nasdaq at the end of last week, as worries emerge that the memory chip industry's uptrend might have peaked.Read NextLatest on Markets