The United States will share closely held technology to allow South Korea to build a nuclear-powered submarine.

U.S. President Donald Trump said on Thursday he has given South Korea approval to build a nuclear-powered submarine, a dramatic move that would admit Seoul to a small club of nations possessing such vessels.

South Korean auto and shipbuilding stocks rallied Thursday after Seoul and Washington finalized a trade deal announced back in July. Hanwha Ocean spiked as much as 14.9% while Samsung Heavy Industries climbed 8.33% at its peak. Defense product maker Firstec also rose as much as 9.7%.

Korean skincare or "K-beauty" products are very popular around the world. But as exports from South Korea hit $10.3bn (£7.7bn) last year, cosmetics companies in other countries have introduced their own K-beauty ranges that are not Korean-made. Does this blurring of the definition matter?

South Korea gifted President Donald Trump an enormous crown during his visit on Wednesday, just weeks after the “No Kings”

The U.S. inked Technology Prosperity Deals (TPD) with Japan and South Korea with an eye towards spurring collaboration on AI, semiconductors, quantum computing, biotech, space, 6G and other technologies.

President Donald Trump was returning to Washington after a face-to-face with Chinese leader Xi Jinping on the final day of his trip to Asia