The ECB now plans to reduce monthly asset purchases between October and December to 15 billion euros until the end of 2018 and then conclude the programme, though ECB President Mario Draghi stressed that the governing council stood ready "to adjust all its instruments as appropriate".
The concerns are that there's still an unsure economic outlook, which could be complicated by a developing trade war with the United States.
The Euro slipped against other currency majors, tumbling by it's biggest amount since 2016 versus the Dollar, with a 1.9% fall.
In a rare merging of the sports and trading worlds, markets are gearing up for soccer's World Cup in Russian Federation, where time zone differences mean more matches during European, US and Latin American trading hours than any previous tournament. After lifting interest rates to 2pc, its policymakers geared markets up for two more increases in borrowing rates in the USA this year through its dotplot projections.
Markets had been expecting the European Central Bank to curtail its quantitative easing program and were unsurprised by that outcome.
The European Central Bank decided on Thursday to end its 2.55 trillion euro (2.3 trillion pounds) bond-purchase programme at the close of the year and said interest rates would stay unchanged until the summer of 2019.
The statement also said its interest rates would not rise until at least summer 2019.
An official announcement including a final list of impacted products is expected on Friday.
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Youth and Sports Minister Isaac Asiamah told KweséESPN that the dissolution means all football activity is on hold in the country. He is considered the second most powerful person in Ghanaian football.
A broader slowdown could make it harder for the ECB to cut support if lower growth eases pressure on inflation, a threat to the bank's credibility as it has missed its inflation target of nearly 2 percent for over five years.
EURUSD initially spiked higher on the apparent hawkishness before paring those gains and heading back below 1.18 to trade on the 1.1740 level, said Neil Wilson, chief market analyst for Markets.com.
The Dow Jones Industrial Average fell 49.71 points, or 0.2 percent, to 25,151.49, but the S&P 500 gained 4.48 points, or 0.16 percent, to 2,780.11 and the Nasdaq Composite added 50.68 points, or 0.66 percent, to 7,746.38. More evidence arrived that the US economy is improving, meanwhile, which helped send the S&P 500 to its fourth gain in the last five days.
Though full policy normalisation will take years, investors are already braced for the end of easy money from the world's central banks.
The federal reserve raised the interest rates, to sort out the facts for an inflation and the employment rate is a very good stature.
Oil markets, pressured by the strengthening dollar and fears that OPEC countries could decide to increase output at a meeting next week, ended mixed.
OIL: Benchmark U.S. crude lost 20 cents to $66.69 per barrel in electronic trading on the New York Mercantile Exchange.