Energy stocks fell late Tuesday afternoon with the NYSE Energy Sector Index decreasing 0.8% and the State Street Energy Select Sector SPDR ETF (XLE) shedding 0.5%.

The Philadelphia Oil Service Sector Index dropped 2.1%, and the Dow Jones US Utilities Index rose 0.6%.

West Texas Intermediate crude oil fell 5% to $76.74 a barrel, and global benchmark Brent dropped 4.4% to $79.52 a barrel. Henry Hub natural gas futures rose 3.5% to $3.26 per 1 million BTU.

In corporate news, YPF (YPF) signed a letter of intent to explore collaborations in fast-charging networks and energy storage infrastructure, Reuters reported. YPF shares fell 3.7%.