Oil markets: Coronavirus in focus

Oil prices slid early on Friday, extending heavy overnight losses on a surge in U.S. coronavirus cases this week that has raised the prospect of a second wave of the outbreak slamming demand in the world’s biggest consumer of crude and fuel.

West Texas Intermediate was down $1.32, or nearly 4%, at $35.02 a barrel by 0011 GMT, after slumping more than 8% on Thursday. Brent crude was down $1.15, or 3%, at $37.40 a barrel, having dropped nearly 8% the previous session.

A rally off April’s lows has come to a…