Shares of SK Hynix hit the daily upper limit during trading on the 31st.

As of 2:21 PM today (the 31st) on the main bourse, SK Hynix is trading up 29.95% at 1.718 million won.

The stock opened with a sharp 28.37% jump and hit its upper limit for the first time in the afternoon session, maintaining a strong upward trend near the ceiling.

The upper and lower limits are the maximum margins by which a stock's price can rise or fall in a single day.

The daily price limit for the KOSPI market was expanded to ±30% on June 15, 2015.