The decisions of the ECB and the words of President Christine Lagarde push the European stock markets with the Stoxx 600, the index that brings together the main market capitalizations, gaining 1%.
Government bonds are falling as the market begins to price in a future cut in interest rates.
On the currency front, the euro is stable at 1.0886 against the dollar.
After an uncertain start, the main stock markets have found optimism again with Madrid gaining 0.9%, Paris (+0.6%), Frankfurt (+0.5%), London and Milan (+0.2% ).
Rising session for the technology sector (+1.8%), with the prospects of investments in the semiconductor sector.
Utilities also performed well (+1.5%) while the price of gas fell to 26.4 euros per megawatt hour.
On the government bond side, there has been a sharp drop in yields.
The spread between BTPs and Bunds continues at 130 points, with the Italian 10-year rate falling by seven basis points to 3.57% and the German one to 2.57% (-5 points).
Gold moved little, standing at 2,155 dollars an ounce, with a slight decline of 0.1 percent.
Amplifon takes off in Piazza Affari (+6.5%), after last year's record results.
At the bottom of the list is Tim (-10%), with the stock exchange's doubts about the new strategic plan.
Pirelli (-3.2%), Nexi (-2.3%) and Ferragamo (-4.1%) also performed badly after last year's results.
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