The Dow Jones advanced more than 2% in early trading as investors reacted positively to signs Greece could get help from the European Union (EU).
Following news the EU will hold a key meeting on Thursday to discuss its highly-indebted nations, the Dow shot up more than 210 points, or 2.15%, to smash back through the through the 10,000 barrier.
At shortly after 5.45pm GMT, the index was up 212.75 points, or 2.15%, to 10,121.14
Caterpillar led early gains following an upgrade from Morgan Stanley while Coca-Cola advanced after reporting fourth quarter results in line with expectations.
Meanwhile in London, the FTSE survived a late dip to remain over 5,100 at close. The index finished almost 20 points, or 0.38%, up at 5,111.84.
Miners remained in demand as metal prices regained some of the ground lost last week.
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Total of 72 accredited firms
23% fall since Q1
Achievements, charity work and other happy snippets
Including advice firm Chadkirk WM