Euro fell in European trade on Tuesday for the third straight session against dollar, marking four-week lows ahead of inflation data.
EUR/USD fell 0.5% to 1.1991, the lowest since February 5, after closing down 0.2% yesterday.
The dollar index rose 0.4% on Monday for the third straight session, marking four-week highs at 91.39.
US 10-year treasury yields rose to 0.75% for another day, nearing a year high.
The spike in treasury yields hurt sentiment and accelerated selling pressures in global stocks.
Investors await European data today on inflation, which could bolster the common currency against rivals.
The euro zone's consumer prices are expected up 1%, improving from 0.9% in January.
Oil prices fell on Monday, and pared their early gains, lifted by hopes about the US stimulus.
The US House of Representatives passed President Joe Biden's $1.9 trillion Covid-19 relief package.
The dollar index rose against a basket of currencies by 0.2% to 91.08 points as of 19:33 GMT, after it hit a high of 91.1 points and a low of 90.6 points.
Most governments around the world are working relentlessly to end the Covid-19 pandemic with vaccination, and the US health authorities approved Johnson & Johnson's Covid-19 single-shot vaccine.
As of 18:30 GMT, WTI crude March futures fell 2% to $60.2 a barrel, after hitting a day high of $62.9 and a low of $59.9.
Brent May futures fell 1.5% to $63.4 a barrel, after hitting a high of $65.9 and a low of $63.1.
Copper prices rose on Monday as March kicks off, to adds on the strong monthly gains made in February, despite a rising US dollar.
Copper is being lifted by the rising Chinese demand, as Beijing consumes nearly 55% of global copper supply.
Copper is also being lifted by positive outlook for the global economic recovery during this year.
Most governments around the world are working relentlessly to end the Covid-19 pandemic with vaccination.
The dollar index rose against a basket of currencies by 0.1% to 90.9 points as of 14:28 GMT, after it hit a high of 91.1 points and a low of 90.6 points.
Copper March futures rose 1.1% to $4.13 per pound as of 14:18 GMT, with a high of $4.18 and a low of $4.18, after posting a monthly gain of more than 15% in February, which is the largest since 2016.
US stock indices opened higher on Monday, after the House of Representatives passed the Covid relief plan to support the economy, while concerns about the bond markets eased.
The yield of the US 10-year Treasury fell 1.4% on Monday, after rising to the highest level in a year of 1.6% on Friday.
US health authorities are continuing their efforts to contain the Covid-19 pandemic, especially after approving Johnson & Johnson's single-shot vaccine to people above 18.
As for stocks, Dow Jones rose 2% or 620 points to 31,551 as of 15:04 GMT, Nasdaq rose 1.7% or 230 points to 13,421, and S&P 500 rose 1.8% or 68 points to 3,880.