日韩股市高开，SK海力士涨1%

The Nikkei 225 index opened up 194.71 points, or 0.30%, at 65,877.97 points on August 7, according to Gate data. South Korea's KOSPI index opened up 62.22 points, or 0.99%, at 6,358.6 points on August 7. SK Hynix rose 1%, and Samsung Electronics rose 2%.