[South Korea's KOSPI Index Opens Lower, SK Hynix and Samsung Electronics Rise About 0.5%] Odaily Planet Daily News: According to Gate data, South Korea's KOSPI Index opened up 0.72%, at 7045.79 points, with SK Hynix and Samsung Electronics rising about 0.5%. The Nikkei 225 Index opened down 0.84%, at 65843.69 points.