China outmanoeuvred the US with the launch of DeepSeek. But the US’s biggest tech companies are fighting back in the AI race.

DeepSeek founder Lian Wenfeng is being hailed as a hero in the southern Chinese province of Guangdong, where he grew up and reportedly returned for the Lunar New Year, joined by bodyguards.

Case highlights long-running legal risks for Lee, who faces growing questions about his ability to lead Samsung Electronics, the world's top memory chip and smartphone maker ...