HP Shares Slide 3.4% After Company Warns Global PC Unit Volumes Will Shrink Mid-Single Digits in 2027

HP shares fell 3.4 percent on September 21, 2026, after the computer maker filed a disclosure with the Securities and Exchange Commission warning that it expects global personal computer unit volumes to decline by mid-single-digit percentages in calendar year 2027 compared to 2026. The projection, which HP stressed is a planning assumption rather than formal financial guidance, aligns with current third-party industry forecasts and underscores the challenges facing the PC market as it contends with weakening consumer demand and macroeconomic headwinds. HP said its expectation is dependent on market performance during the second half of calendar 2026, which the company described as fluid and subject to change. The disclosure follows HP's August 26 third-quarter fiscal 2026 earnings call, during which the company indicated it was too early to provide detailed fiscal 2027 outlook including specifics on PC unit volumes. HP noted it remains in its planning period for fiscal 2027 and is not providing financial guidance for the fiscal year at this time. The cautious tone reflects broader uncertainty in the personal systems market, where elevated interest rates, persistent inflation, and slowing enterprise refresh cycles have damped replacement demand. HP is one of the largest global PC vendors alongside Lenovo and Dell, and its forward-looking assessment is closely watched as a bellwether for the industry. The mid-single-digit decline forecast, if realized, would mark a continuation of the PC market's post-pandemic normalization, reversing the surge in demand seen during 2020-2021 when remote work and learning drove historic shipment growth.