BUZZ — Televisa climbs following deal to purchase AT&T's Mexican unit

* Shares in Mexico's Grupo Televisa jump on Wednesday after the company announced it will buy AT&T's Mexican unit for $2 billion in cash. * Analysts at GBM said they find the transaction's valuation attractive as "the transaction could generate significant synergies." * Shares of Grupo Televisa, which operates the country's largest television network, are up 6.8%, pairing gains after rising as much as 7.4%. * Today's gains added 1.7 billion pesos ($91.69 million) to the company's market capitalization. * Televisa shares were removed from Mexico's main stock index back in September * AT&T's unit purchase will be done together with Fintech Holdings, a private investment firm and holding company owned by Mexican billionaire David Martinez. ($1 = 18.5410 Mexican pesos) (Reporting by Aida Pelaez-Fernandez and Noe Torres) ((Aida.Pelaez-Fernandez@thomsonreuters.com;)