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LISBON, Aug 21 8 (Reuters) - Following are some of the main stories in Portuguese newspapers on Thursday. Reuters has not verified these stories and does not vouch for their accuracy.
* CMVM market watchdog analysing share purchases in Espirito Santo Saude healthcare company by Mexico's Grupo Angeles before announced buyout offer (Diario Economico)
* Portugal issued Treasury bills at record low yields (Diario Economico)
* Traffic at Sines port had world's largest growth rate last year (Diario Economico)
* Clients calmer over Novo Banco after initial concerns, bank workers commission says (Negocios)
* Number of forest fires so far in 2014 is smallest this century (Jornal de Noticias)