Oil prices were mixed with Brent adding one percent while US crude lost ground in American trade, as the dollar index rose for the first time in three sessions, amid a lack of data from the US, the world's largest energy consumer. 

As of 05:37 GMT, US crude futures due on August 15 fell 0.37% to $73.53 a barrel from the opening of $73.53, while Brent futures due on September 15 rose one percent to $77.88 a barrel from the opening of $77.11, as the dollar index added 0.24% to 94.18 from the opening of 93.96, moving away form June 14 lows. 

Libya's National Oil Corporation President Mustafa Sanallah stated that Libyan output is down to 527 thousand bpd from 1.28 million bpd in February due to the closure of several oil ports recently. 

Otherwise, Iran's oil minister said US President Trump's calls on OPEC to raise output and cut prices is a "big insult" for the organization, and could lead to volatility in global oil markets, asserting that US pressures haven't affected Iranian production or exports so far. 

Kuwait's oil minsiter Essam al-Marzouq stated earlier that OPEC will produce more than enough to guarantee a stable and balanced market, adding OPEC doesn't need to hold an emergency meeting before December. 

Newly-elected Mexican President Andres Manuel said his administration plans to cut oil imports from the US in three years, with plans to increase local refinery activities to cut into energy imports as much as possible. 

US Rig Count 

Baker Hughes, a US oil services company, reported an increase of 5 in the American oil rig count for the first time in three weeks to 863 rigs, the highest since March 2015. 

US output rose over 29% from mid-2016 levels to 10.9 million bpd, a record high, passing Saudi Arabia's 10.7 million bpd and nearing Russia's 11.1 million bpd. 

Sterling fell in American trade away from June 14 highs against the dollar, amid a lack of data from both Britain and the US, and after UK Brexit minister David Davis resigned and Dominic Raab fillled his position. 

As of 04:04 GMT, GBP/USD shed 0.46% to 1.3222 from the opening of 1.3305, with an intraday low at 1.3215, and a four-week high at 1.3283. 

Brexit Minister Resigns 

UK Prime Minister Theresa May said in earlier remarks that the government is getting ready for the possibility of not reaching a Brexit deal, and therefore looking for alternative solutions to guarantee ease of transferring goods to European markets. 

May warned from an unorganized Brexit if the European Union stayed its current path, expecting to announce an important decision by next Thursday.

Former Brexit minister David Davis resigned from his post in protest of May's handling of the situation, with May responding with "regret" over his decision on Sunday.

David Davis, as a hardline Brexit supporter, disagreed with May's efforts to maintain trade customs with the European Union after Brexit.

Davis expressed concerns that the EU will ask for more concessions during Brexit negotiations, and hoped that his resignation will pressure the government to stand its ground with the union. 

Euro tilted higher in American trade to June 14 highs against the dollar, following earlier data from the euro zone while European Central Bank President Mario Draghi testified today before the European Parliament in Brussels. 

As of 03:45 GMT, EUR/USD rose 0.02% to 1.1748 from the opening of 1.1746, with a session-low at 1.1737, and a four-week high at 1.1791. 

Earlier German data showed trade surplus widened to 20.3 billion euros as expected from 19 billion in April, while the Sentix Investor Confidence survey widened to 12.1 from 9.3, beating expectations of 9. 

Markets today followed European Central Bank President Mario Draghi's testimony on the economy, monetary policy, virtual currencies, and regulatory risks before the European Parliament in Brussels. 

Draghi said the major factors propelling inflation higher are still strong, describing growth risks in the euro zone as still balanced, while expressing confidence that inflation will reach 2% with support from the ECB's stimulus programs, and expecting no change in interest rates until summer 2019. 

On another note, German Chancellor Angela Merkel said her country is still committed to the nuclear deal with Iran, noting she won't force companies to stay in Iran, as each will have to make the investment choice for themselves. 

US stock indices opened the first session of the week higher amid a lack of data from the US while concerns over a US-China trade war eased a bit, especially as market focus turned to strong American labor data last week. 

US Labor Data 

On Friday. released US data showed the unemployment rate up to 4.0% in June from 3.8% in May, a 2000 nadir, while average earnings rose 0.2%, slowing down from 0.3%. 

The US economy created 213 thousand new jobs in June, down from 244K in May and beating forecasts of 195K as the trade deficit shrank to $43.1 billion from $46.1 in April, beating forecasts of 43.6. 

The Federal Reserve voted at the June 12-13 meeting to hike interest rates to below 2% as expected by markets, while paving the way for possibly four rate hikes this year. 

Otherwise, the first wave of US 25% tariffs on Chinese products just went into effect last Friday, with the list of products including electronics, equipment, and tech devices, while China responded with similar tariffs, leading the way for a worsening trade dispute between the wold's two largest economy. 

As of 02:44 GMT, Standard and Poor's 500 rose 0.54%, or 14.86 points to 2,774.68, while Dow Jones rallied 0.96%, or 235.84 points to 24,692.32. 

Tech-heavy NASDAQ added 0.30%, or 23.12 points to 7,711.51.