Silver prices surged 250% then plunged, sparking a buying frenzy, market distortions and smuggling into China.

One of the most unusual — and fun — events in college sports is a high-stakes spreadsheeting competition in Las Vegas.

Whether she is walking a fashion runway, amping herself up at the top of a mountain or digging into one of those physics lessons she takes “for fun,” Olympic champion Eileen Gu can probably boil down ...