Green arrows were seen across Wall Street as the markets shake off tariff uncertainty. However, Qualcomm (QCOM) and Arm Holdings (ARM) fell after hours, as did Uber Technologies (UBER) this morning. Supermicro (SMCI) rallied thanks to a new partnership with Nvidia (NVDA) to produce Blackwell A.I. data center products. Diane King Hall runs through the day's biggest stories.