Valentin Bontemps

Stay informed with Valentin Bontemps’s coverage and analysis for Fortune.

An attendee engages with a differentiated connectivity demonstration in the Ericsson AB pavilion at the MWC25 tech show in Barcelona, Spain, on Tuesday, March 4, 2025. The Mobile World Congress tech show runs March 3-6. Photographer: Angel Garcia/Bloomberg via Getty Images

Color-changing smartphones, connected cars and smart contact lenses: the gadgets of Mobile World Congress 2025

By Valentin Bontemps, Mona Guichard, and others

Sunil Bharti Mittal, Founder and Chairman of Bharti Enterprises, delivers a speech during Keynote 1 at the MWC (Mobile World Congress), the world’s biggest mobile fair, in Barcelona on March 3, 2025. Surrounded by investment and innovation projects, the Mobile World Congress (MWC) kicks off today in Barcelona amid a context of euphoria but also tensions over artificial intelligence (AI), whose rapid advancement is shaking up the tech sector. (Photo by LLUIS GENE / AFP) (Photo by LLUIS GENE/AFP via Getty Images)

AI optimism and Trump trade tensions will be the trending topics at Mobile World Congress in Barcelona

By Mona Guichard, Valentin Bontemps, and others

MADRID, SPAIN – FEBRUARY 27: Marc Murtra, Chairman of Telefonica gestures during a press conference on February 27, 2025 in Madrid, Spain. The Spanish telecommunications company Telefonica has reported the company’s yearly results for 2024. (Photo by Pablo Blazquez Dominguez/Getty Images)

Spanish telecoms giant Telefonica signals strategic shift to key markets after second consecutive annual loss

By Valentin Bontemps and AFP

SPAIN – JANUARY 22: The president of Fomento del Trabajo, Josep Sanchez Llibre, attends to the media at the Heritage Hotel, on 22 January, 2025 in Madrid, Spain. The president of the Catalan employers’ association will comment on the decision of Banco Sabadell’s board of directors to hold an extraordinary meeting this Wednesday to discuss the transfer of its registered office to Sabadell from Alicante, as reported by the entity to the Spanish National Securities Market Commission (CNMV). (Photo By Mateo Lanzuela/Europa Press via Getty Images)

Banco Sabadell to relocate HQ to Catalonia—a move that may prompt thousands of Spanish firms to return to the region

By Valentin Bontemps and AFP