Shares gained 1.10% to $30.37 on Wednesday, extending a three-day rally as the S&P 500 rose 1.46% and the Dow added 1.24%.
The move topped HPE's previous 52-week high of $30.15 set on May 5, though the stock lagged Apple and Microsoft and outperformed Cisco.
Trading volume was 12.8 million shares, about 4.7 million below HPE's 50-day average of 17.5 million, suggesting lighter-than-usual activity behind the advance.
As HPE's stock soars on AI hype, why are insiders selling millions?
Can HPE's $14 billion AI bet pay off despite a controversial merger approval?
HPE promises a simple path to AI, but what is the hidden cost for customers?