By Tommy Stubbington 

The euro slipped and Greek markets were rattled Monday amid renewed concern over the country's future in the eurozone.

The common currency fell 0.6% against the dollar to $1.1161, its weakest level in a week, ahead of a meeting of eurozone finance ministers in Brussels to discuss the terms of future financial aid for Athens. Few analysts are expecting a breakthrough.

"Uncertainty over Greece is back to the forefront," said currency strategists at Citigroup.

Greece's Athex Composite index fell 3.3%. Bank stocks led the decline, with Alpha Bank AE down 8.8%, and National Bank of Greece S.A. down 7.3%.

Adding to the nerves, a senior IMF official said Sunday the fund is working with authorities in some of Greece's neighbors on contingency plans for a Greek default, a rare public admission that talks could fail. Another Greek payment to the International Monetary Fund is due Tuesday.

"The talks between the Greek government and its international partners are entering a crucial phase, overshadowed by a precarious fiscal situation, heavy debt redemptions, and concerns about the stability of the banking system," analysts at UBS said.

UBS expects a deal between Athens and its creditors to be reached, but added that failure to hammer out an agreement in the coming weeks could put Greece on a "slippery slope" toward exit from the euro area.

In equity markets, the Stoxx Europe 600 was 0.1% lower, as investors weighed Greek concerns against a Chinese interest rate cut that boosted stocks in Asia. The European index had risen sharply on Friday, boosted by an unexpectedly clear outcome to last week's U.K. general election and a recovery in U.S. job growth.

Germany's DAX index was 0.4% lower. France's CAC 40 fell 1.3%, weighed down by a sharp decline in Airbus shares after a military transport plane built by the firm crashed in Spain on Saturday.

Mining shares, which are highly sensitive to Chinese demand, were the best-performing sector on the Stoxx 600, rising 1.9% after the easing from the People's Bank of China.

That helped the U.K.'s resource-heavy FTSE 100 rise 0.3%.

In the U.S., stock futures indicated a 0.1% opening loss for the S&P 500. Changes in futures aren't necessarily reflected in market moves after the opening bell.

In bond markets, short-term Greek debt weakened, pushing two-year yields 0.5 percentage point higher to 20.4%.

German 10-year yields climbed 0.05 percentage point to 0.59% as markets remained jumpy following last week's selloff in eurozone bond markets.

U.K. government bond yields were also a touch higher ahead of the Bank of England's monthly policy announcement, with the central bank expected to keep interest rates on hold.

In commodities markets, Brent crude oil was down 0.5% at $65.82 a barrel, while gold fell 0.3% to $1,184.80 an ounce.

Write to Tommy Stubbington at tommy.stubbington@wsj.com

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