BRIEF-Moody's: Mexican banking system outlook changed to negative as asset risk rises
Aug 23 (Reuters) - Petroleos Mexicanos:
* Moody's: Mexican banking system outlook changed to negative as asset risk rises
* Government's fiscal pressures may eventually reduce capacity to support the country's banks during times of stress
* Loans to state oil co Pemex account for about 6% of all outstanding loans in the banking system Source text for Eikon: Further company coverage:
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