Wall Street watched history unfold as Nvidia Corp. NVDA +0.49% Get Free Report became the first company to hit a $4 trillion market cap, capping off a week of market-moving headlines.

Why are US stocks going up while the dollar is going down? US equity markets hit fresh record highs last week. This defied the dollar’s worst performance since 1973, as corporate America’s AI ...

Nvidia is the dominant player in AI infrastructure, but its size could limit some of its upside. AMD and Broadcom, meanwhile, ...

Investors have been drawn to SoundHound because the company is tapping into an expanding conversational AI market that is ...