On this episode of Stock Movers with John Tucker: - Nvidia (NVDA) shares are higher on news CEO Jensen Huang joined US President Donald Trump on his visit to China as a last-minute addition, thrusting AI and technology into the spotlight before a high-stakes Beijing summit. - Nebius Group (NBIS) is moving this morning as it reported revenue for the first quarter that beat the average analyst estimate. - SoftBank (SFTBY) is up after it reported a surge in quarterly profit due to valuation gains on its OpenAI investment. The gains on OpenAI outweighed lackluster investment gains elsewhere in the Tokyo-based technology group’s portfolio while war in the Middle East roiled markets.