PARIS/MILAN, Sept 19 (Reuters) - The collapse of a deal to form a French TV giant to challenge U.S. streaming services such as Netflix (NFLX.O) knocked shares in M6 Group (MMTP.PA) and TF1 (TFFP.PA) on Monday. France's two biggest private broadcasters gave up their merger plan on Friday citing French antitrust requirements that rendered the deal unworkable. read moreRegister now for FREE unlimited access to Reuters.com Register"It is extremely disappointing, it shows the incapacity in France of pushing a unifying project to create a French media champion," said Mikael Jacoby, head of continental trading at Oddo Securities. At 1424 GMT, TF1 shares were down 3.3% and shares in M6 were 3% lower. "Hedge funds don't want exposure to the advertising sector, people are very worried about next year," a merger arbitrage analyst said.

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