Stock index futures climbed on Monday, as market participants seemed to shrug off worries emerging from the ongoing Israel-Iran conflict. S&P 500 futures (SPX) +0.5%, Nasdaq 100 futures (US100:IND) +0.

The death toll is growing as Israel and Iran exchanged missile attacks for a third consecutive day on Sunday, and Israel is warning that worse is to come.

Planned talks on Iran's nuclear program, which could provide an off-ramp, were called off.