Polymarket has appointed its first chief financial officer, a sign the prediction market is formalizing its operations as it grows. The move comes amid broader scrutiny of such platforms.

Meanwhile, Macy's is betting on pricier products to revive its business. The retailer plans to focus on higher-end merchandise, aiming to attract more affluent shoppers and differentiate itself from discount competitors.

In other news, the nation marked the 25th anniversary of the Sept. 11 attacks with solemn ceremonies and remembrances across the country.