This week, we are at the Roland-Garros stadium in Paris – not for the French Open tennis tournament, but to meet business leaders who are gathered for the annual end-of-summer conference of Medef, France's largest employers' federation. This year's theme "Jeu décisif" is a tennis metaphor meaning "tie-break", reflecting the decisive moment businesses are facing. From Donald Trump's trade war to political instability in the country, how do French entrepreneurs plan to navigate through another year of geopolitical uncertainty? FRANCE 24's Yuka Royer has been finding out.