Upbeat economic news in the US pushed the Dow Jones through 13,000 on Tuesday, the first time it had been at that level since May 2008.
A run of better-than-expected company results saw the Dow briefly reach 13,005 before edging down. The index closed Tuesday 15 points higher at 12,965.
The latest upward move came as markets in Europe were more cautious following the approval of a second bailout for Greece.
In the latest bailout deal, Greece is to receive loans worth more than 130bn euros (£110bn; $170bn).
Markets in London, Frankfurt and Paris all fell slightly on Tuesday, while the euro was little changed from Monday's closing price. London's FTSE closed 17 points lower at 5,928.
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