jdiaz@atc23:~/Documents/personal/cuentas/gnucash$ gnc-fq-dump yahoo_europe ACS.MC
Finance::Quote fields Gnucash uses:
    symbol: ACS.MC               <=== required
      date: 00/00/2000           <=== required
  currency: EUR                  <=== required
      last: 43.32                <=\       
       nav:                      <=== one of these
     price: 43.32                <=/        
  timezone:                      <=== optional
jdiaz@atc23:~/Documents/personal/cuentas/gnucash$ gnc-fq-helper
(yahoo_europe "ACS.MC")
Use of uninitialized value in numeric lt (<) at /usr/share/perl5/Finance/Quote.pm line 634, <> line 1.
Use of uninitialized value in pattern match (m//) at /usr/share/perl5/Finance/Quote.pm line 649, <> line 1.
Use of uninitialized value in sprintf at /usr/share/perl5/Finance/Quote.pm line 652, <> line 1.
Use of uninitialized value in sprintf at /usr/share/perl5/Finance/Quote.pm line 652, <> line 1.
Use of uninitialized value in sprintf at /usr/share/perl5/Finance/Quote.pm line 653, <> line 1.
Use of uninitialized value in sprintf at /usr/share/perl5/Finance/Quote.pm line 653, <> line 1.
Use of uninitialized value in pattern match (m//) at /usr/bin/gnc-fq-helper line 220.
(("ACS.MC" (symbol . "ACS.MC") (gnc:time-no-zone . failed-conversion) (last . 43.32) (currency . "EUR")))