The dollar firmed against major currencies on Monday, driven by safe-haven buying from investors fearing the Israel-Iran fighting could escalate into a broader regional conflict as they braced for a week packed with central bank meetings.

Attacks force shift in U.S. plan for diplomatic deal in Iran and efforts to disentangle from region.

President Donald Trump on Sunday issued a stark warning to Iran against retaliating on U.S. targets in the Middle East while also predicting Israel and Iran would “soon” make a deal to end their escalating conflict.

Iran conflict could open opportunities for Russia to possibly become a power broker to help end the confrontation.

It's often more important in times of heightened tensions in the Middle East to look more at what is not happening, rather than fixating on the dramatic headlines of tit-for-tat air and missile strikes between Israel and Iran.

Stock futures wavered before Monday's session as the escalating conflict between Israel and Iran spiked oil prices and raised investors' concerns about the global economy. Dow Jones Industrial Average futures shed 56 points, or 0.1%. S&P 500 futures lost 0.1%, while Nasdaq 100 futures traded around their flatline.

"The full strength and might of the U.S. Armed Forces will come down on you at levels never seen before," Trump warned.

Jon Faust, who advised three Fed chairs, doesn’t see an interest-rate cut until December — an even then, the odds of a move are just 50/50.