Nokia Oyj is in advanced talks to acquire Alcatel-Lucent SA in the Finnish telecommunications-equipment maker’s biggest-ever acquisition that could value the French rival at more than $13 billion.

The negotiations may lead to a takeover offer for Paris- based Alcatel, although there is no certainty an agreement can be reached, the companies said in statements Tuesday. Alcatel shares jumped as much as 18 percent in the French capital to the highest price in almost seven years. Nokia fell as much as 8.3 percent on the Helsinki exchange.

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