Oil prices extended the previous day's sharp losses on Friday, dragging energy firms and Asian markets with them as investors are snaggled by fresh global supply glut concerns.

While traders are looking ahead to the release of crucial US jobs data later in the day, the collapse in crude prices has dented optimism on trading floors, with analysts warning about the possible effects on the economy.

East Asia's three biggest economies vowed Friday to work together to help prevent market instability as tensions run high over Pyongyang's weapons programs.

North Korea's efforts to develop an arsenal of nuclear-armed missiles have fueled concerns among its Asian neighbors and led to threats of military action from Washington, as well as calls for China to rein in its reclusive ally.

The first large made-in-China passenger plane successfully completed its maiden test flight Friday, marking a key milestone on the country's ambitious journey to compete with the world's leading aircraft makers.

The narrow-body C919 jet -- white with green and blue stripes -- disappeared into the clouds after taking off from Pudong international airport in the commercial hub Shanghai as a crowd of thousands cheered, including top officials.

One of the European Central Bank's top supervisors warned Thursday that banks quitting London after Brexit could create risk by playing off EU countries' regulatory regimes against one another.

Google said Thursday that it would pay 306 million euros ($334 million) to settle a tax dispute in Italy, where it was under criminal investigation for booking profits generated in the country in Ireland.

The dollar built on the previous day's gains on Thursday after the Federal Reserve opened the door for another US interest rate hike next month, while Seoul outperformed most other Asian markets to end at a record high.

Facebook on Wednesday reported that its quarterly profit surged as its ranks of monthly users closed in on two billion, but warned of rising expenses and slowing revenue growth.

The leading social network said it made a profit of $3.06 billion on $8.03 billion in revenue in the first three months of this year, posting increases of 76 percent and 49 percent, respectively, compared to the same period last year.

Apple reported a rise in quarterly profits Tuesday, but its shares took a hit from weaker iPhone sales ahead of a 10-year-anniversary model on the horizon.

Apple said its profit climbed 4.9 percent to slightly more than $11 billion on revenue rising 4.6 percent to $52.9 billion in the quarterly period that ended April 1.

China is expected within days to carry out the maiden test flight of a home-grown passenger jet built to meet soaring Chinese travel demand and challenge the dominance of Boeing and Airbus.

Twitter is launching a 24-hour streaming news channel in partnership with the Bloomberg Media, in a major expansion of the social media firm's video operations, the two firms announced Monday.

The new streaming channel "will combine the vast global editorial and newsgathering capabilities of Bloomberg with the digital power of Twitter," a joint statement.