French IT services company Atos has put an end to its attempts to sell its ailing legacy managed infrastructure services business after failing to reach an agreement with a prospective buyer, and will now have to glue the two halves of its business back together. Exclusive talks with EP Equity Investment over the sale of the Tech Foundations business ended after the two parties failed to agree on deal terms and pricing. “We could not reach a mutually satisfactory agreement,” Atos group CEO Paul Saleh said in a conference call with press and analysts Wednesday. Neither party will pay a cancella…