The STOXX 600 index closed up 0.32 percent provisionally, with major sectors pointing in different directions by the end of trade. Basic resources was the top performer, while utilities dropped over 1 percent overall.
The U.K.'s FTSE 100 rose 0.41 percent at the close, while France's CAC 40 popped 0.57 percent and Germany's DAX saw gains of 0.52 percent. Most markets in peripheral Europe closed higher.
Looking to Europe's sectors, basic resources was the best performing group, up almost 3 percent, lifted by a sharp rise in nickel and zinc prices. Among the sector's top performers are FTSE-listed mining stocks including Glencore, Antofagasta, Anglo American and BHP Billiton were all trading up over 3 percent or above.
Other groups that posted sharp gains included autos, banks and chemicals, which were all up over 1 percent each.
In the banking sphere, however, Danske Bank saw shares fell almost 4 percent after the Danish lender's CEO resigned following allegations that billions of euros were laundered through the bank's Estonian branch. In autos, Schaeffler jumped 3.2 percent after it reconfirmed its guidance for the financial year of 2018.
In individual stock news, Linde shares jumped almost 8 percent, after Reuters reported, citing a source, that the industrial gases firm was getting ready to sell extra assets to a consortium of Messer Group GmbH and CVC Capital Partners for around $200 million, moving it closer to U.S. antitrust approval for a planned merger with Praxair.
On the other end, Kingfisher sank over 6 percent, after the home improvement firm reported a 15 percent fall in half year profits. Adecco fell 6 percent after the staffing group indicated a slowdown in European hiring growth, in its latest strategic update.
Finally, the European Union has ruled that McDonald's did not receive selective tax treatment from the tiny European country of Luxembourg. The EU said the tax deal was not illegal but rather a result of a mismatch between US and Luxembourg tax laws.
Tit-for-tat trade war continues
Meanwhile, President Trump appeared to leave the door open for negotiations with China, telling reporters during a visit with Poland's president that the U.S. may make a deal at some point with China and that his country is always open to talking.
Elsewhere, North Korean leader Kim Jong Un's meeting with South Korean President Moon Jae-in to discuss denuclearisation appears to have been successful. North Korea has agreed to "permanently" abolish its key missile facilities in the presence of foreign experts, and is willing to close its main nuclear complex if the United States takes reciprocal action South Korea's President Moon Jae-in said Wednesday, Reuters reported.
European leaders are heading to Austria on Wednesday, ahead of an informal summit at which immigration and Brexit are expected to be the main subjects of discussion. European Council President Donald Tusk said Wednesday that he would call an extra Brexit summit around mid-November to finalize an agreement with the U.K., according to Reuters. In his speech, Tusk added that there is "perhaps more hope" now, but added that there is "surely less and less time."
British inflation hit a six-month high in August, boosted by larger-than-usual seasonal increases in transport fares and higher theater admission prices, data by the Office for National Statistics showed.