Losing steam in recent weeks, Nvidia (NVDA)  stock has now dipped 4% from a 52-week peak of $184 a share, which it hit in early August. Monday’s report of an antitrust probe in China weighed on Nvidia stock in early morning trading, extending a slight decline over the last few weeks that stemmed from Broadcom’s (AVGO)  quarterly report showing the company is becoming a credible challenger to other dominant AI chip leaders.Amid increased demand for Broadcom’s custom XPU chips, more pressure is potentially mo ...