Bourgainville, 5, rue de la Banque (Métro: Bourse), ☎ +33 1 42 60 05 19. Mon-Sat 7am-9pm, but food is only served at lunch from 11:30 to 3:30. This comfy little bar offers down-home cooking from the Auvergne region, and after-work drinks for the financial set. sandwiches: €3, plates €12-15.