It was a session marked by volatility.

After a day largely characterized by the minus sign, most of the European stock exchanges closed slightly higher: Milan gains 0.13, Frankfurt 0.49%, Madrid snatches 0.31%, while Paris loses 0.26% .

London remains closed for mourning due to Elizabeth II's funeral.

Waiting for the meeting of the Federal Reserve that will decide on Wednesday the hike in US rates, Wall Street appears uncertain and weak.

Natural gas on the Amsterdam market closed below 183 euros per megawatt / hour.

After a sharp slowdown - which brought Brent oil to almost 88 dollars a barrel - black gold recovers something and rises to 90.99 dollars.

However, prices are down by more than 30% compared to the highs since the beginning of the year: the aggressive monetary tightening and the fears of recession weighed on the outlook for demand.