Liang Wenfeng holds about 84% of DeepSeek and owns at least 76% of High-Flyer Capital Management, a quantitative trading hedge fund he co-founded in 2015, according to Forbes.

How closely have you been following the week’s news about historical discoveries, health devices and hairpieces?

2 Remember when George Washington and Abraham Lincoln cashed in on their presidencies by selling commemorative medallions? Oh, wait. They didn’t do anything like that. But Mr. Trump did. He ...