The star CAC 40 index took 4.73 points to 6,542.14 points.
The day before, it had fallen by 0.28%.
The Parisian rating had a first part of the session in the green, before turning around, a trend reinforced by the figures for wholesale prices in the United States, which exceeded expectations.
It then made up for its losses after the US markets opened.
Investors "remain on the US inflation figures", released on Tuesday, said Laurent Le Grin, head of convertible bonds at Degroof Petercam.
If the rate of 8.5% - another clear acceleration compared to the rate of 7.9% in February - marked the spirits, the underlying inflation, which excludes the prices of energy and food , "was a positive signal", being below expectations, supports the manager.
New inflation figures were published on Wednesday for European countries, with jumps to 7% for the United Kingdom or 9.8% in Spain in March.
The central banks of all Western countries are expected at the turn.
That of Canada raised its key rate on Wednesday from 0.5% to 1% and also warned that rates are expected to rise further in the coming months.
The European Central Bank (ECB) meets on Thursday.
"The market expects a realistic discourse, no denial on inflation. But monetary policy is clashing with geopolitics in Europe", with the war in Ukraine posing significant threats to economic activity, explains Mr. Le Grin.
The market is therefore not expecting rate hikes at this meeting, but expecting them a little later in the year.
On the odds, the action of the car manufacturer Stellantis rose 0.92% to 13.99 euros.
The group, which announced a reshuffle of its financing activities in China, saw a majority of its shareholders vote against the salary policy of management, an advisory vote only.
© 2022 AFP