BRIEF-Chairman Of Spain's BBVA Says Auditor PwC Looking Into Alleged Spying Case
* SAYS HAS NOT DETECTED SO FAR A DIRECT IMPACT ON ITS BANKING BUSINESS OR SHARE PEFORMANCE RELATED TO ALLEGED SPYING CASE
* SAYS AUDITOR PWC, LOOKING INTO ALLEGED SPYING CASE, TOLD BANK IT COULD TAKE SEVERAL MONTHS BEFORE WE WILL SEE ANY RESULTS FROM INVESTIGATION Source text for Eikon: Further company coverage: (Reporting by Madrid Newsroom)
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