The Euro Stoxx 50 index closed down 1.5 per cent and the S&P 500 closed down 2.5 per cent. Commentators wrote at length about the troubled September quarter for markets.
"The third quarter of 2011 drew to a close on Friday, appropriately with a risk-off day that evoked negative returns for most asset classes," ANZ economists said.
German retail sales plunged and Spain confirmed it will take over three troubled lenders.
Last week Finance Minister Bill English welcomed the lower kiwi dollar, saying it would deliver some offset to agricultural commodity exporters, who are seeing world prices come off highs of the last 12 months.
S&P sovereign credit analyst Kyran Curry said there was a risk that New Zealand's external position will deteriorate further at a time when resources are stretched.
The kiwi dollar was mixed. On the trade-weighted index, or TWI, it was at 68.17 from 68.06 on Friday.
Against the Australian dollar, the kiwi rose to 78.70 Australian cents from 78.43 Australian cents on Friday.
It was at 58.65 yen from 58.58 yen on Friday and was at 57.02 euro cents from 56.53 euro on Friday.
The kiwi dollar rose to 48.89 British pence from 49.08 British pence on Friday.
The New Zealand dollar may push higher in the next 12 months, assuming the US avoids recession and Europe gets its sovereign debt overhang in order.