Seoul shares plunged more than 12 percent Wednesday, closing below the 5,100-point mark, as mounting concerns over the economic fallout from the escalating Middle East conflict rattled investor sentiment.

South Korean stocks plunged more than 7 percent Tuesday to close below the 5,800-point mark as investor sentiment was dampened by escalating geopolitical concerns triggered by the…

Benchmark index plummets as much as 12.2 percent, eclipsing single-day plunge after 9/11 attacks in 2001.