This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)

This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)

This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)

This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)

This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)

This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)

This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)

This photograph shows a smartphone featuring a "Livret A" page in front of a screen displaying the Euro logo in Mulhouse, eastern France, on October 4, 2026. The Livret A is France's most popular savings account. (Photo by SEBASTIEN BOZON / AFP via Getty Images)