"I was involved in our response to this story from the beginning," Cook told Buzzfeed News.
OPEC is struggling to add barrels to the market after agreeing in June to increase output, an internal document seen by Reuters showed.
European Union negotiator Michel Barnier said on Friday a Brexit deal with the United Kingdom was 90 percent done, although there was still a chance no accord would be reached due to ongoing stumbling blocks over the Irish border.
Pope Francis on Thursday received an invitation to visit North Korea and the pontiff indicated he would consider making what would be a landmark trip to a nation known for severe restrictions on religious practice, according to South Korean officials
"It certainly looks that way to me. It's very sad," Trump said when asked if Khashoggi is dead.
Italy's 2019 budget draft is in particularly serious breach of EU budget rules, the European Commission said in a letter to Italian Economy Minister Giovanni Tria on Thursday, in a step preparing the ground for an unprecedented rejection of the plan.
A new report says London and Singapore's financial services sectors received more foreign investment last year than any other cities.
Turkey searched the Saudi consulate in Istanbul for a second time overnight as part of a probe into the disappearance of journalist Jamal Khashoggi.
Chinese stocks fell sharply as heavy selling in the energy sector and worries about the levels of borrowing in the stock market added to broader concerns over growth and the global sell-off in equities.
Household wealth in the U.S. is continuing to see an "unbroken spell of wealth gains" but China has replaced Japan in second place in the world wealth hierarchy, according to Credit Suisse.
Saudi Arabia is depending on strategic partnerships with foreign companies for the technology and expertise necessary to fulfill Vision 2030.
Major events in tennis, golf and soccer are due to take place in Saudi Arabia over the next year.
Twitter had previously identified Iran and Russia as the source of fake accounts and coordinated misinformation campaigns, but had largely limited the scope to around the 2016 U.S. presidential election and the upcoming midterm elections.
OPEC has urged its members not to mention oil prices when discussing policy in a break from the past, as the oil producing group seeks to avoid the risk of U.S. legal action for manipulating the market, sources close to OPEC said.
At least 17 people were killed and dozens injured at a college in the Black Sea region of Crimea on Wednesday, Russian law enforcement officials said.
At least 17 people were killed and dozens injured at a college in the Black Sea region of Crimea on Wednesday when a student went through the building shooting at fellow pupils before killing himself.
Turkey hopes to enter the Saudi consul's residence in Istanbul on Wednesday in connection with the disappearance of Saudi journalist Jamal Khashoggi, Turkey's foreign minister said after meeting U.S. Secretary of State Mike Pompeo.
Hours before a handful of retail outlets opened, a federal official said Canada will pardon all those with convictions for possessing up to 30 grams of marijuana, the now-legal threshold.
The United States was named the world's most competitive economy by the World Economic Forum on Wednesday.
The U.S. Treasury imposed sanctions on Tuesday on a multibillion-dollar financial network that supports an Iranian paramilitary force that it said recruits and trains child soldiers for the country's elite Revolutionary Guards.
Mark Carney is the governor of the Bank of England, the UK's equivalent of the Federal Reserve in the U.S. He is speaking at the Economic Club of New York.
Until both countries resolve their economic and political differences, defense ties are expected to remain brittle, according to strategists.
Top Chinese financial regulators spoke in support of markets on Friday ahead of the morning's disappointing gross domestic product report and amid an ongoing stock sell-off.
The Dow Jones Industrial Average rose on Friday on the back of strong earnings from Procter & Gamble as Wall Street tried to regain its footing after a sharp sell-off in the prior session.
U.S. government debt yields were set for week-to-date gains Friday morning following comments from the Federal Reserve earlier in the week and persistent strength in employment data.
European stocks turned higher during mid-afternoon deals after Europe's economy commissioner said no decision had yet been taken on Italy's controversial budget plan.
A single move lower would take Italy's credit status to one notch above a "junk" rating.
Italy's rule-defying budget plan is fast-becoming a key concern for global markets, as investors monitor the growing likelihood of a showdown between the EU and Rome's populist government.
The European Union needs to be "sensible" in how it deals with the Italian budget crisis or the entire project could come to an end, one strategist told CNBC Friday morning.
China has been trying to reduce its reliance on debt as well as fiscal and monetary stimulus to fuel economic growth, but the pain of the trade war with the United States is forcing a reversal.
China said on Friday its economic growth slowed to 6.5 percent year-over-year in the third quarter of 2018, missing expectations.
If global supply chains are forced to adjust due to the trade tensions between the U.S. and China, it may cost the world economy about 1 percent of GDP by 2019, Tao Zhang, deputy managing director at the International Monetary Fund, told CNBC.
Data also provided by 
