London’s markets saw gains as well, with the FTSE 100 adding 0.54 percent to 6,535.2 and the FTSE 250 was up 1.15 percent to 11,360.2.

Northern Rock (LSE: NRK) led the 100 with a gain of 11.95 percent to 151.8p on rumors that a US private equity group has arranged funding for a possible takeover.

Alliance & Leicester (LSE: AL) was also higher, adding 7.06 percent to 880p.

But the banking sector was not universally higher.

Merchant bank Close Brothers Group (LSE: CBG) was down 3.47 percent to 794p for the worst day on the 250.

The insurance sector was also mixed.

While Old Mutual (LSE: OML; JSE: OLOML) was up 4.74 percent to 168p, Royal Sun & Alliance (LSE: RSA) was 1.73 percent lower to 153.1p.

Other gainers included house builders Taylor Wimpey (LSE: TW), which added 4.16 percent to 300.75p, and pubs operator Punch Taverns (LSE: PUB) with a gain of 3.87 percent to £10.46.

PartyGaming (LSE: PRTY) was 7.83 percent higher to 31p to lead the 250 on the session.

The worst performance of the day on the 100 came from the telecommunications sector as Vodafone (LSE: VOD; NYSE: VOD; FWB: VOD) dropped 2.51 percent to 171.1p.

Elsewhere in the sector, Cable & Wireless (LSE: CW) was 1.65 percent lower to 185.2p.

Retailers had a difficult day of it.

Sporting goods retailer Sports Direct (LSE: SPD) fell 3.43 percent to 133.75, while Carphone Warehouse (LSE: CPW) was down 1.52 percent to 340.75p and Home Retail (LSE: HOME) was 2.27 percent lower to 398.25p.

Equities markets were lower in London on Wednesday.

The FTSE 100 dropped 0.68 percent to 6,454.3, while the FTSE 250 was down 1.46 percent to 11,415.2.

Pharmaceutical group GlaxoSmithKline (LSE: GSK; NYSE: GSK) topped the 100, adding 2.33 percent to £12.75 on an unexpected increase in second quarter profits based on greater demand for its Advair asthma treatment.

GSK also announced an expansion of its share buy-back program.

Meanwhile on the 250, electronics and engineering group Renishaw (LSE: RSW), which makes gauges and meters, was the top performer with a gain of 14.33 percent to 684p/

Other gainers on the day included the banking sector.

On the 100, Northern Rock (LSE: NRK) added 1.87 percent to 817p, while on the 250 Bradford & Bingley (LSE: BB) gained 0.97 percent to 416.75p and Close Brothers Group (LSE: CBG) was up 1.93 percent to 845p.

Defense aerospace group BAE Systems (LSE: BA; OTCBB: BAESY) was 1.63 percent higher to 435.25p.

On the losing side, British Energy had the worst day on the 100, dropping 5.21 percent to 483.5p on a broker downgrade.

The worst performer on the 250 came from the semiconductors sector, where CSR (LSE: CSR) fell 11.28 percent to 770.5p.

The mining sector declined on copper prices that were lower.

Antofagasta (LSE: ANTO) was 2.47 percent lower to 723p, while Rio Tinto (LSE: RIO) was down 3.65 percent to £35.90.

On the 250, property developer Daejan Holdings (LSE: DJAN) fell 5.75 percent to £38.86, while builder Severfield-Rowen (LSE: SFR) dropped 5.69 percent to £22.36.