South Korea Delays Single-Stock Weekly Options Days Before Start

South Korea Delays Single-Stock Weekly Options Days Before Start South Korea has delayed a plan to launch weekly single-stock options on shares including SK Hynix Inc. and Samsung Electronics Co., the latest sign regulators are becoming jittery after wild stock-market swings. The introduction of the weekly options, initially scheduled for June 29, will be postponed, according to people familiar with the matter, who asked not to be named as the discussions are private. A representative for Korea Exchange said “nothing has been decided.”