X CEO Linda Yaccarino resigns after two years; Musk’s AI firm xAI set to play a bigger role as the platform enters a new chapter.

Wall Street climbs as Trump pursues global trade deals; S&P 500 up 0.7%, Nasdaq up 1.1%, even as copper tariffs and oil prices weigh.

Nvidia tops $4 trillion market value, becoming the first public company to do so as its stock surges 2.5% after a two-year AI-driven rally.

Portsmouth-based Fairlead announced Monday that it is promoting its president, Fred Pasquine, to president and CEO, effective immediately.