12:07 PM EDT, 05/05/2025 (MT Newswires) -- The European stock markets closed mixed in Monday trading as The Stoxx Europe 600 was up 0.19%, Germany's DAX advanced 1.08%, the FTSE 100 climbed 1.17%, France's CAC 40 declined 0.55%, and the Swiss Market Index was off 0.17%.

In Switzerland, the Swiss Federal Statistical Office reported Monday that the consumer price index was unchanged at 107.5 points in April compared with March. It also said that inflation was 0.0%, compared with a year earlier.

And in corporate news, British oil giant Shell has been discussing with advisers to assess a potential acquisition of rival BP in recent weeks, Bloomberg reported Sunday, citing unnamed sources familiar with the matter. A final decision on the takeover bid would likely depend on the further decline of BP's stock prices, the sources the news outlet. BP did not immediately reply to a request for comment from MT Newswires.

Shares of Shell gained 2.1% on the FTSE, while shares of BP were relatively flat.

Spain's Banco Santander said Monday it has agreed to sell to Erste Group Bank a roughly 49% stake in Santander Bank Polska for 6.8 billion euros ($7.7 billion) and 50% of the Polish asset management business that Santander Polska does not own for 200 million euros, representing total all-cash consideration of 7 billion euros.

Shares of Banco Santander gained 0.7% in Madrid trading.

Shares of German chemicals company BASF fell 4.3% on the DAX in Monday trading after it said Friday that the volatility caused by U.S. tariffs is causing a "high level of uncertainty."

BioNTech reported a Q1 loss Monday of 1.73 euros ($1.96) per diluted share, wider than a loss of 1.31 euros a year earlier. Revenue for the quarter ended March 31 was 182.8 million euros compared with 187.6 million euros a year earlier. The company maintained its 2025 revenue guidance of 1.70 billion euros to 2.20 billion euros.

Shares of BioNTech fell 4.4% in Frankfurt.