Euro rose in European trade against dollar for another session following remarks by Fed Chair, which cut chances for a rate hike next year, while the European Central Bank convenes tomorrow to decide on the future of monetary policy in the euro zone. 

EUR/USD rose 0.2% to 1.1665, with a session-low at 1.1635, after closing up 0.2% on Friday, resuming the gains after a short hiatus yesterday on profit-taking away from three-week highs at 1.1670.

The euro rose 0.4% last week, the second weekly profit in a row amid concerns about divergent monetary policies in Europe and the US.

The dollar index fell 0.2% on Monday for another session, marking four-week lows at 93.48 against a basket of major rivals.

The decline comes after Fed Chair Jerome Powell said time is imminent to start cutting down bonds purchases but it's nowhere close yet for a rate hike. 

The ECB is convening on Wednesday to decide on monetary policy and analyze the developments in the euro zone, with most analysts expecting no change of policy of any kind. 

The main US stock indices opened mixed on Friday, as Nasdaq fell amid pressures on the tech sector, while S&P 500 extended its gains and hit new records.

Nasdaq was weighed down by some tech stocks, as Snapchat shares fell over 20%, after disappointing data on Thursday.

Many major companies reported their quarterly business results for the third quarter, amid anticipation of Apple, Amazon, Microsoft, Alphabet, Facebook's reports.

Former US President Donald Trump announced plans to launch a new social media network called Truth Social, to stand up to what called "the tyranny of big tech" such as Facebook and Twitter.

As for stocks, Dow Jones rose 0.4% or 140 points to 35,743 as of 14:29 GMT, and S&P 500 rose 0.2% or 9 points to 4,559, while Nasdaq fell 0.2% or 23 points to 15,192.

Copper prices fell on Friday, despite pressures on the US dollar against most of its peers.

Meanwhile, fears over the coronavirus pandemic returned to markets again, after the increase of infections in some countries, led by the UK.

US President Joe Biden administration stressed that it will increase its efforts to solve the supply chain crisis by directing the ports around the clock, to help continue the supply of goods and lowering prices.

One of the metals that are most sensitive to slowing economic activity is copper, which was lifted recently due to supply shortages and strong demand.

The dollar index fell against a basket of major currencies by 0.2% to 93.5 points as of 14:02 GMT, after hitting a high of 93.7 points and a low of 93.5 points.

Copper December futures fell 0.5% to $4.53 a pound, as of 14:00 GMT.

Oil prices continued to rise as the US market opened on Friday, and resumed rally after taking a pause yesterday due to profit-taking from multi-year highs, but today hopes about the global demand lifted prices up, especially about the US demand, while on track for the ninth weekly gain in a row.

US crude rose 1% to $83.39 a barrel, after opening at $82.54, and hit a low at $81.79, and Brent crude rose 1.1% to $85.52 a barrel, after opening at $84.56, and hit a low at $83.84.

The US crude lost 1.1% yesterday, on profit-taking from 7-year high at $83.93, and Brent fell more than 1.3%, after hitting the highest since October 2018 at $86.08.

Alongside profit taking, oil prices fell yesterday due to a drop in natural gas and coal prices.

Oil prices resumed rally today thanks to global demand demand, especially after signs on improved US demand, following an unexpected drop in the US crude inventories last week.

The Energy Information Administration reported on Wednesday that the US crude inventories fell 400K barrels during the past week, while analysts forecast a rise by 2.1 million barrels, a positive sign about improved demand and withdrawal.

While the US output fell 100,000 barrels last week, the first weekly drop in a month and a half, with the total at 11.3 million barrels per day.

Oil prices gained 0.75% so far this week, to head for the ninth weekly gain in a row, due to concerns over a market deficit during the last quarter of 2021.