The U.S. dollar firmed slightly on Monday, boosted by safe have demand following a diplomatic setback between Washington and Tehran. Traders were also cautious ahead of key U.S. inflation data this week that could show a big impact of surging oil prices.

At 15:43 ET (19:43 GMT), the U.S. dollar index, which tracks the greenback against a basket of six major peers, was up 0.1% to 97.96.

Bitcoin has surged past the significant psychological barrier of $80,000, and was trading up 0.54% at $80,690 as of 06:14 ET (10:14 GMT) as digital assets benefited from the risk-on market sentiment and renewed legislative activity. 

According to a report from CoinDesk, the crypto industry is currently cheering the announcement of a Senate Banking Committee markup date for the CLARITY Act. 

Gold is turning slightly lower after the recent rebound, which unfolded in a corrective manner with a three-wave move into the 4661 area. Now price is trying to break the lower trendline of the corrective channel, which suggests that more weakness could be ahead.

Oil prices jumped about 5% on Monday as Iran stepped up attacks on the United Arab Emirates (UAE) and ships in the Middle East Gulf over the past 24 hours.

Brent futures rose $5.75, or 5.3%, to $113.92 per barrel at 12:03 p.m. EDT (1603 GMT), while U.S. West Texas Intermediate (WTI) crude rose $3.54, or 3.5%, to $105.48.