Spanish stocks - Factors to watch on Thursday

MADRID, Nov 14 (Reuters) - The following Spanish stocks may be affected by newspaper reports and other factors on Thursday. Reuters has not verified the newspaper reports, and cannot vouch for their accuracy: TELEFONICA Telefonica will not exercise a call option to increase to 100 percent its stake in Telco, the holding company that controls Telecom Italia, the chairman of the Spanish telecoms group told an Italian daily on Thursday.