Shares rose 6.04% to $435.44 on Friday, topping the previous $432.81 peak set on 6 May, while trading volume reached 7.4 million shares.
The gain came in a broadly positive US market session, with the S&P 500 up 0.84% to 7,398.93 and the Dow Jones Industrial Average edging 0.02% higher.
Applied Materials' rise outpaced Broadcom's 4.23% gain but lagged Qualcomm's 8.17% and AMD's 11.44% advances; volume also exceeded its 50-day average of 6.3 million.
With its stock at a record high, could escalating China trade tensions trigger a sharp correction for Applied Materials?
With analysts predicting explosive growth, is the trillion-dollar semiconductor market forecast a reality or a speculative AI bubble?