* Contagion fears to banking system still weigh on euro
* U.S. ISM for May, construction spending for April rise
* Bank of Canada raises benchmark interest rates
* RBA keeps benchmark interest rate steady
NEW YORK, June 1 (Reuters) - The euro fell to a fresh four-year low against the dollar on Tuesday on signs the euro zone's debt crisis is spreading to its banking system.
The European Central Bank warned on Monday that euro zone banks face up to 195 billion euros in a "second wave" of potential loan losses over the next 18 months due to the financial crisis. The ECB said it had increased purchases of euro zone government bonds. For details, see [
]Stronger-than-expected U.S. manufacturing and construction spending data boosted stocks and encouraged some investors to leave the perceived safety of the U.S. dollar and yen, allowing the euro to come off lows as the global session wound down.
"The ECB warning on Monday set the stage for euro selling," said Matthew Strauss, senior currency strategist at RBC Capital Markets in Toronto. "Markets remain jittery and overall risk sentiment is bearish," he said.
In mid afternoon New York trading, the euro was little changed against the dollar <EUR=> at $1.2301 after dropping earlier to a four-year low of $1.2112, according to Reuters dat a. It fell to $1.2110 on electronic trading platform EBS.
The single currency rose as high as $1.2353 as U.S. stocks advanced in the aftermath of reports showing the manufacturing sector expanded in May for a tenth straight month and April construction spending recorded the largest monthly increase in nearly 10 years. [
] [ ]."We've seen a fairly sharp recovery in the equity markets," said Michael Malpede, chief market analyst at Easy Forex in Chicago. "This has helped to maybe negate some of the risk aversion of the early morning trade."
The focus will now shift to reports on the U.S labor markets due this week and euro selling pressure is likely to continue despite the currency's brief rebound on Tuesday, analysts said.
STRUCTURAL PROBLEMS, BOC
The euro closed Monday with its sixth consecutive monthly decline, the longest losing sequence the single currency has experienced since 1999, just after its inception. The European currency fell over 7 percent in May.
Growth concerns were heightened as euro zone manufacturing activity expanded in May at a considerably more sluggish pace than April's 46-month high, a survey showed. [
]"The data just confirmed some of the structural problems Europe is facing," said Strauss at RBC.
Traders said euro/dollar stop-losses were triggered under the previous low at $1.2143, while technical analysts highlighted a break below key support at $1.2135, the 50 percent retracement of the 2000-2008 rally. A daily close below $1.2135 was key for further downside potential, they said.
Talk of a double no touch option with perimeters at $1.2100 and $1.2500 may also keep the euro range bound against the dollar. The option supposedly expires at the end of the week and the holder may buy and sell to ensure it pays out.
Versus the yen, the euro rose 0.1 percent at 112.34 yen <EURJPY=> after trading as low as 109.77 yen. The dollar was up 0.1 percent against the yen at 91.29 yen <JPY=>.
Meanwhile, Canada became the first of the G7 major industrialized countries to hike interest rates following the global financial crisis, raising its key rate on Tuesday by a quarter point to 0.50 percent. [
]Still, the Canadian dollar was lower against its U.S counterpart after the move.
The U.S. dollar rose 0.1 percent to C$1.0461 <CAD=>. The rate increase was expected in financial markets and the BoC gave no indication it would follow it up with more hikes.
The Australian dollar was down 0.6 percent at US$0.8416 after the Reserve Bank of Australia left Australia's benchmark rate unchanged at 4.5 percent as expected. [
] (Additional reporting by Wanfeng Zhou; Editing by Andrew Hay)