Israel and Iran exchanged fire for the fourth consecutive day on Monday, stocking fears of an all-out war with the potential to drag in others in the oil-rich region and force the US into a more hands-on stance.

The war between Israel and Iran is in its fourth day, with Israel striking at military sites and Iran's nuclear program and Iran firing missiles in retaliation

Amid the tragedy of the Israel-Iran conflict, stocks are proving stoic. Futures early Monday, as the missile attacks continued, showed the S&P 500 once again reclaiming the 6,000 mark. That’s only about 2% shy of the record high struck in February.

Anger mixed with worry as Iranians in the capital of Tehran woke up Saturday to images of their country’s retaliatory attacks on Israel. Iranian state television, long controlled by hard-line supporters of the country's theocracy,