Translate the following English sentence to French:
"The free movement of capital must be accompanied by an efficient regulatory and prudential framework, because supervision of the various markets is divided up according to country and sector, but at the same time, as a result of mergers, acquisitions and amalgamations, boundaries between banks, insurance companies, investment funds and pension funds are disappearing."
La libre circulation des capitaux doit être accompagnée d'un cadre réglementaire et prudentiel efficace. Or, la surveillance des différents marchés est segmentée par pays et par secteur.