US benchmark equity indexes ended lower on Friday, led by declines in tech stocks amid fresh inflation concerns.

* The personal consumption expenditures price index rose 0.2% in July, following a 0.3% increase in June, with year-over-year headline inflation steady at 2.6%. Core PCE, which excludes food and energy, increased 0.3% in July and 2.9% over the past 12 months, the highest annual gain since February.

* The University of Michigan revised its August consumer sentiment index down to 58.2 from the preliminary 58.6, below July's final 61.7. Survey respondents also raised their inflation expectations to 4.8% for the next year and 3.5% annually over the next five years.

* October West Texas Intermediate crude oil fell $0.62 to settle at $63.98 per barrel, while October Brent crude, the global benchmark, was last seen down $0.50 to $68.12.

* Marvell Technology (MRVL) shares fell 19%, the biggest decline on the Nasdaq, after the semiconductor company's fiscal Q3 guidance disappointed investors.

* Autodesk (ADSK) shares rose 9.1%, the largest gain on the Nasdaq, a day after fiscal Q2 results topped Wall Street estimates, while the company boosted full-year guidance.