Korea's Kospi soared 8% as optimism over an Iran deal boosted chip stocks, led by Samsung and SK Hynix.

South Korean stocks soared by more than 8 percent Tuesday, sharply rebounding from the over 8 percent plunge the previous session, to reclaim the 8,000-point th

South Korean stocks fell sharply on Wednesday, with the benchmark KOSPI dropping up to 3.6%, as semiconductor shares resumed their decline and investor sentiment was hit by a U.S.…