India, Sept. 3 -- European stocks traded higher on Wednesday as a selloff in longer-dated bonds appeared to stabilize, and a survey showed the euro zone economy continued its slow expansion in August despite a weakening in services sector growth.

The HCOB Eurozone Composite Purchasing Managers' Index (PMI) edged up from 50.9 in July to 51.0, marking a 12-month high.

Elsewhere, the U.K. Composite PMI was revised slightly higher to 53.5 from an initial estimate of 53.0.

Comments from European Central Bank President Christine Lagarde and the release of U.S. job openings data for July will be in the spotlight as the session progresses.

The pan-European STOXX 600 climbed 0.6 percent to 546.20 after tumbling 1.5 percent on Tuesday, the most i...