Fiat, PSA face EU antitrust probe over $50 billion merger - sources

Fiat Chryslerand Peugeot maker PSAface a lengthy EU antitrust investigation after declining to offer concessions to allay EU antitrust concerns about their planned $50 billion (39.21 billion pounds) merger, people familiar with the matter said on Wednesday.The EU competition enforcer, Fiat Chrysler and PSA declined to comment.