US tech company Microsoft is to invest €4 billion ($4.3 billion) in cloud technology and artificial intelligence (AI) at locations in Paris and Marseille, French President Emmanuel Macron’s office announced on Monday. A new Microsoft branch is to be established at Mulhouse near the German border. Other companies also announced major investments at the Choose France investor conference being held in Versailles near Paris. Online trader Amazon plans to invest €1.2 billion, generating several thousand new jobs in France. Pharmaceutical companies AstraZeneca and Pfizer are also planning investment…