The CAC 40 index gained 424.87 points to 6,387.83 points, in very high trading volumes.
The Parisian rating has thus erased the losses of the three previous sessions and recorded its best daily performance since the announcement in November 2020 of the development of an effective vaccine against Covid-19.
After a tumble of more than 10% over the past week, the Parisian rating ended down slightly by 0.32% on Tuesday, a false pretense of stability in an uncertain context, in particular after the announcement of an American embargo on Russian hydrocarbons in the early evening.
Ukraine is still facing a Russian offensive, on the eve of discussions between the heads of Russian and Ukrainian diplomacy in Turkey.
"The rise of the day has no fundamental reason, there are rumors about Ukraine being ready to dialogue with Russia about the independence of Donbass and about abandoning the application for membership in the NATO", but no official announcement, explains Clémence de Rothiacob, manager of Richelieu Gestion.
According to her, "if the conflict gets bogged down, there is no reason for the rebound to hold".
The invasion of Ukraine and the sanctions imposed on Russia are disrupting the world economy, the country being a major producer of various raw materials, including oil and gas, on which a large part of the energy needs of the countries of the zone depend. euro.
In this context, "possible breaks in the energy supply will weigh on growth", underlines Clémence de Rothiacob.
"There is a risk of stagflation: low growth and high inflation", supports the expert, due to the surge in commodity prices.
The current energy crisis is "comparable in intensity, in brutality, to the oil shock of 1973", affirmed for his part the French Minister of Economy Bruno Le Maire.
The European Central Bank will try to come to terms with this complicated context on Thursday during its monetary policy meeting.
After having clinked glasses since the start of the crisis, the automotive, banking and travel sectors rebounded strongly.
Stellantis took 11.90% to 14.50 euros, Renault 11.12% to 23.68 euros.
As for the bank, Societe Generale gained 11.53% to 23.50 euros, BNP Paribas 9.95% to 51.42 euros.
Another winner of the day, the hotelier Accor, which jumped 14.10% to 27.02 euros.
Air France-KLM took 9.33% to 3.68 euros.
Alstom, particularly exposed to Russia with its 20% stake in the local railway manufacturer Transmashholding, announced on Wednesday morning the suspension of its deliveries and future investments in Russia.
The group, which took 9.33% to 20.68 euros, will retain its stake in the Russian company, but must reassess its book value.
© 2022 AFP