(LEAD) Seoul shares open lower amid Iran peace talks uncertainty (opens original article in a new tab)

South Korean stocks fell as U.S.-Iran peace talks stalled, with major companies experiencing significant declines.

• South Korean stocks opened lower due to uncertainty over U.S.-Iran peace talks
• U.S. and Iran negotiations in Switzerland were halted after Trump threatened strikes on Iran
• Major companies like Samsung and Hyundai saw significant stock declines