(BFM Stock Exchange) – The Parisian index lost 0.5% on Monday at the dawn of a week which will notably be marked by the Jackson Hole symposium.

After having signed four consecutive sessions in the green, the CAC 40 underwent a brake on Monday, August 18. The Parisian index fell 0.5% to 7,884.05 points.

Investors digested the many announcements this weekend. The meeting between Donald Trump and Vladimir Putin, which took place in the night from Friday to Saturday, did not give rise to concrete advances. The American president initially intended to reach an agreement acting a ceasefire in Ukraine during this meeting.

This Monday, the Ukrainian president, Volodymyr Zelensky, accompanied by European leaders, went to the White House to meet in turn Donald Trump. The meetings are supposed to take place right now. Europeans will try to convince Donald Trump not to accept a peace agreement that would meet the expectations of the Russian camp. Moscow notably demands that kyiv gives up certain territories, including the Donetsk and Lougansk regions.

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Upstream of his meeting with Donald Trump, Volodymyr Zelensky called on Monday that Russia is not “rewarded” for his invasion of Ukraine.

Jackson Hole on the horizon

Apart from the geopolitical situation, the market will follow the Jackson Hole symposium this week, a sort of large conference of central bankers organized by the American Federal Reserve (Fed). The speech of the president of the Fed, Jerome Powell, will take place on Friday.

“All eyes are turned to the Jackson Hole symposium, where the president of the Fed, Jerome Powell, could announce the imminent recovery of the rate of rates, thus giving the tone of American monetary policy for the coming months,” said UBS.

On the values side, Thales won 1.4%, led, like the other European defense groups, by the lack of progress to a cease-fire in Ukraine.

Banks fell together, Crédit Agricole SA losing 1.9%, BNP Paribas 1.7% and Société Générale 1.7% too.

Excluding CAC 40, Valneva took 6%. The group has announced that the Canadian health agency has approved teenagers to use its chikungunya vaccine.

In other markets, the euro gives way 0.3% against the dollar to 1.1669 dollars. Petroleum rises a little. The October Brent of the Northern Sea contract earns 0.2% at 65.97 Dollars per barrel while that of September on the WTI listed in New York advances from 0.16% to 62.90 Dollars per barrel.