Energy stocks were leaning lower pre-bell Tuesday, with the State Street Energy Select Sector SPDR ETF (XLE) marginally declining.

The United States Oil Fund (USO) was down 1.3% and the United States Natural Gas Fund (UNG) was 1.2% lower.

Front-month US West Texas Intermediate crude oil was 1.9% lower at $81.01 per barrel at the New York Mercantile Exchange. Global benchmark North Sea Brent crude oil fell 2.1% to $86.50 per barrel, and natural gas futures were down 1.5% at $2.73 per 1 million British Thermal Units.

HF Sinclair (DINO) stock was up more than 3% after the company reported higher Q2 adjusted earnings and revenue, and raised its quarterly dividend. Separately, HF Sinclair said it plans to separate its Lubricants and Specialties segment into an independent publicly traded company.