Stock options listed on U.S. stock exchanges generally have a notional amount of 100 shares of stock. Stock options are also traded in the over the counter (OTC) market with variable notional amounts.

005930.KS Samsung Electronics Co., Ltd.

JEF Jefferies Financial Group Inc.

One option on the table is Trump's proposal for a joint venture that would give a US entity 50% ownership in the company. Still, any deal around TikTok will likely require the blessings of both ...