The major indexes added to strong weekly gains. Tesla and AI chipmakers such as Nvidia and Arm are testing key levels.

The city of Denver is giving free radon test kits online and at a library as part of Radon Action Month. Radon is a radioactive gas that can lead to cancer.

Former St. Louis Cardinals manager Mike Matheny spent 20 days in an intensive care unit, where he was diagnosed with a subarachnoid hemorrhage, a serious and potentially life-threatening condition ...