New York (AFP)

Wall Street ended the week down Friday, weighed down by fears of a new escalation in the trade war between the United States and China.

Its flagship index, the Dow Jones Industrial Average, fell by 0.34% to 26,287.44 points.

The Nasdaq, with strong technological color, fell by 1.00% to 7.959.14 points, and the expanded S & P 500 index of 0.66% to 2 918.65 points.

Over the week, the main indices have all lost ground: the Dow Jones fell by 0.8%, the Nasdaq by 0.6% and the S & P 500 by 0.5%.

The New York Stock Exchange fell into the red early in the session after the warning issued by Donald Trump that the United States was "not ready" to sign a trade agreement with China.

The US president has hinted that the resumption of talks between Beijing and Washington, scheduled for September, could be canceled.

Trump also assured that he will not devalue the dollar after having expressed his dissatisfaction the day before the level he considers too high of the US currency.

- McDonald's, Boeing -

The Dow Jones then slightly erased its losses, led by some key values ​​like McDonald's (+ 1.4%) or Boeing (+ 0.4%) but still ended down.

A series of global economic indicators also encouraged analysts to be cautious about the evolution of the stock market in the coming weeks.

In China, producer prices fell last month for the first time in three years, a worrying new sign for the world's second largest economy.

British gross domestic product (GDP) fell by 0.2% in the second quarter, its first decline since late 2012, according to figures released Friday.

On Wednesday, the figures of German industrial production had shown a decline of 1.5%, higher than the expectations of analysts.

"If you listen to investors, they will tell you that the European recession has probably already begun," said Christopher Low of FTN Financial.

"Last week, they said there was a risk of recession, it's a significant change of tone," continued the expert, for whom "the fall in the equity market is probably not over."

Faced with the risks of a slowdown in global growth, several central banks have recently lowered their key rate, a measure that is supposed to stimulate economic activity.

After the US Federal Reserve (Fed) on July 31, central banks in several emerging countries, including India, Thailand and the Philippines, lowered their rent for the money this week.

The European Central Bank (ECB) has paved the way for a series of anti-crisis remedies for the return of one or more rate cuts to a possible resumption of its debt buybacks.

Among the values ​​of the day, the title of Mattel tumbled (-15.8%) while the toy maker has suspended a refinancing operation of its debt following the complaint of a whistleblower.

Uber shares fell 6.8%, the group announced Thursday record losses of more than $ 5 billion.

The semiconductor group Broadcom, which announced Thursday to buy the corporate security division of the computer security group Symantec (+ 0.3%), took 1.8%.

The video game publisher Activision dropped 2.6% after announcing Thursday better results expected in the second quarter but disappointing forecasts for the third quarter.

On the bond market, the rate on the US 10-year debt rose to 1.7395% around 20:45 GMT.

© 2019 AFP