Seoul shares close flat amid US debt ceiling uncertainties
...n Seoul, top-cap shares traded mixed. Market bellwether Samsung Electronics rose 0.15 percent to 68,500 won, while chip giant SK hynix inched down 0.20 percent to 97,700 won. Leading battery maker LG Energy Solution surged 1.92 percent to 585,000 won, and LG Chem added 0.14 percent to 720,000 won. Samsung SDI grew 0.56 percent to 714,000 won. Major bio firm Samsung Biologics remained flat at 792,000 won, and Celltrion shed 0.28 percent to 179,000 won. ...