The ECB said the monthly pace of its net asset purchases would be halved to 15 billion euros from September until the end of December 2018, at which point purchases would end.
Asian shares wobbled on Friday as investors braced for U.S. tariffs against China, while the euro flirted with two-week lows after a cautious European Central Bank indicated it would not raise interest rates for some time.
Chinese stocks led the losses, with the benchmark Shanghai Composite index plumbing a 20-month low, as investors anxious about the economic damage from the trade tensions with the United State.
The dollar index .DXY dipped 0.3 percent to 93.391 after briefly rising to 94.028 on Wednesday, with analysts citing the fact that the rate rises were probably priced into the USA currency and a shift in focus to the European Central Bank.
Our week of central bank announcement continues on Thursday, as the attention now turns to the ECB and Mario Draghi.
Elsewhere, the Canadian dollar edged lower against its U.S. counterpart as the greenback broadly climbed and after Italy added to Canada's uncertain trade outlook, saying it will not ratify the European Union's free trade accord with the country.
TOKYO, June 15 ― Asian shares wobbled today as investors braced for USA tariffs against China, while the euro flirted with two-week lows after a cautious European Central Bank indicated it would not raise interest rates for some time.
But in a balanced announcement reflecting the uncertainties hanging over the region's economy, it also signalled the move would not mean a rapid policy tightening by adding that interest rates would stay at record lows "at least through the summer of 2019 and in any case for as long as necessary". U.S. President Donald Trump has made a decision to impose "pretty significant" tariffs and will announce a list targeting $50 billion of Chinese goods on Friday, and a second wave of products worth $100 billion has been cued up.
MSCI's gauge of stocks across the globe shed 0.05 percent, while Wall Street wavered, with two of the three main indexes up after better-than-expected May retail sales data.
Andrew Milligan, head of global strategy at Aberdeen Standard Investments, said that in the context of trade flows, the sum of goods targeted was small.
The Bank of Japan left monetary policy unchanged at its meeting on Friday. The central banks are withdrawing stimulus efforts that started during the Great Recession as their economies strengthen. That provided extra support for the notes, which have been boosted by more euro-friendly rhetoric from officials in Italy's newly formed government.
Oil prices, meanwhile, fell sharply a week before a crunch meeting of OPEC and its allies who are to decide whether to extend a production cut agreement that has been in force since the end of 2016.
West Texas Intermediate (WTI) crude oil futures were up 0.1% at $66.93 a barrel, while Brent was down 0.1% at $75.87.