US benchmark equity indexes are on track to close mostly lower on Tuesday, as investors parse July US services sector data and June trade deficit.

The Dow Jones Industrial Average was unchanged at 44,158.71, while the S&P 500 fell 0.4% to 6,308.17. Nasdaq Composite dropped 0.5% to 20,951.25. Among sectors, materials led the gainers while utilities rallied the decliners.

Axon Enterprise (AXON) was the top gainer on the S&P 500, up 16%. The company late Monday raised its full-year revenue guidance following a second-quarter beat.

Leidos Holdings (LDOS) shares were up 7%, the second top performer on the S&P 500. The company posted higher fiscal Q2 adjusted earnings and revenue, and raised its fiscal 2025 guidance.

Gartner (IT) shares sank 28%, the worst S&P 500 performer. The company reported Q2 adjusted earnings and revenue that beat forecasts, but its guidance for full-year results fell short of analyst expectations.

The 10-year US Treasury yield was up 1 basis point to 4.21%, while the two-year rate increased 4.5 basis points to 3.73%.

September West Texas Intermediate crude oil fell 1.7% to $65.15 a barrel.