05.04.201306:19:07UTC+00Yen hits three-and-half year low, shares dip before U.S. jobs data

After a 3 and a half year, the yen hit the lowest against the dollar after the Bank of Japan's aggressive policy easing, while European shares fell ahead of pivotal U.S. payrolls data due later in the day.

The jobs numbers, which are expected to show employers added 200,000 jobs last month, are being closely watched for clues on the strength of the U.S. economic recovery and the next step in the Federal Reserve's monetary policy.

An improving growth trend in the United States has been a key driver for investors taking on more risk this year, but recent data has suggested the momentum might be flagging.

"Expectations for today's payrolls have been scaled back," said Philip Tyson, a strategist at ICAP. "Investors are fearing another spring swoon, a setback in growth."

The FTSEurofirst 300 index  of top companies touched a one-week low of 1,178.56 points in early trade after falling 1.1 percent in the previous session, but is still up about 4 percent so far this year.

London's FTSE 100 Frankfurt's and Paris's CAC-40 were between 0.1 percent lower and 0.2 percent higher.

Investors are still reacting to Thursday's radical announcement from Japan's new central bank governor, Haruhiko Kuroda, of a massive $1.4 trillion injection of liquidity into the economy to end decades of deflation.

European sovereign bonds were finding fresh demand on talk that investors were moving from Japanese government debt into Europe in search of better yields.

The French 10-year bond yield sank 7 basis points to 1.81 percent, the lowest on record. Belgian, Austrian, Spanish and Italian bond yields also fell. In the currency market the yen weakened past 97 per dollar for the first time since August 2009, after falling 3.6 percent on Thursday.

Against the euro, the yen was about 0.3 percent firmer at 124.20 after losing 4.3 percent on Thursday, its biggest one-day fall against the single currency since November 2008.

Earlier the Nikkei share average jumped as much as 4.7 percent, extending Thursday's 2.2 percent rise and breaking through 13,000 points for the first time since August 2008. The 10-year JGB yield fell as much as 12 basis points to a record low of 0.315 percent.