Iran is reportedly hardening its nuclear sites ahead of possible U.S. strikes after the midterms. That keeps a bid under crude and defense, and it caps how much risk appetite can improve into year end

What happened: A Saudi-led coalition fighting the Iran-backed Houthis said it intercepted another attack on Riyadh, as Iran reportedly fortifies nuclear sites and prepares for possible U.S. strikes after midterms. Why it matters: The reported interception and Iran's preparations point to continued regional tensions involving Tehran-backed militants and the potential for U.S. military action after the midterms.

A Saudi-led coalition fighting the Iran-backed Houthis said it intercepted another attack on Riyadh, as Iran reportedly fortifies nuclear sites and prepares for possible U.S. strikes after midterms.

The reported interception and Iran's preparations point to continued regional tensions involving Tehran-backed militants and the potential for U.S. military action after the midterms.