STMicroelectronics, Franco-Italian chipmaker, gained 1.7%, while ASML, the Dutch maker of chip-manufacturing equipment, climbed 1.4%.

Ericsson, the Swedish mobile phone equipment group, gained 1.5% after it announced a trio of contract wins, including a $110 million deal to expand the mobile network of AIS of Thailand.

Alstom, the French heavy engineer, gained 3.2% after Morgan Stanley raised its price target on the company following its stronger than expected results on Monday.

Decliners

Euronext, the pan-European stock exchange operator, fell 4% after Deutsche Borse said it was withdrawing its bid, a rival offer to that of NYSE. The German operator said it could have only pursued a deal that was supported by both sides and felt this was no longer possible.

Shares in Deutsche Borse and the London Stock Exchange were hit after a group of international banks unveiled plans for a European trading platform. The shares of the German company fell 2%, while LSE shed 4.7%.

Oil and gold

Crude oil for December delivery gained 21 cents to $58.49 a barrel in electronic trading on the NYME. On London ICE Futures exchange, December Brent crude gained 31 cents to $59.15 a barrel ahead of its expiration later Wednesday.

Gold for immediate delivery rose $1.42, or 0.2%, to $622.30 an ounce in early trading in London. The metal dropped 2% the previous three sessions.

The euro bought $1.2825 in morning European trading, compared with $1.2823 in New York late Tuesday. The British pound slipped to $1.8956 from $1.8971. The dollar rose to 117.84 Japanese yen from 117.54 yen.