WeightWatchers

In a leadership shakeup, the diet company says CEO Sima Sistani would leave her role effective immediately. Tara Comonte, a board member and former Shake Shack exec, was named interim chief.

WeightWatchers' acquisition of a telehealth company is just the latest commercial push into the market for a new generation of medications that promise significant weight loss.

The company is tapping into a red-hot market for drugs that address obesity with the purchase of telehealth operator Sequence, which can prescribe medications such as Ozempic, Wegovy and Trulicity.