Oil

High production comes as the demand outlook weakens on the back of a global economic slowdown.

America is the world's biggest energy producer.

Concerns about overproduction have roiled the oil market.

Making sense of choppy trading.

Broad selling hits U.S. stocks.

U.S. crude oil production has soared by almost 25 percent this year, to a record 11.7 million barrels per day (bpd).

Oil production in the United States is surging.

U.S. output has surged by almost a quarter since the start of the year.