By Sara Sjolin, MarketWatch

LONDON (MarketWatch) -- After its fifth straight week of losses, the U.K.'s benchmark stock index inched higher on Monday, with Aviva PLC rising after upbeat broker comments, while miners dropped after Chinese data.

The FTSE 100 index rose 0.1% to close at 6,559.48, after swinging between small gains and losses throughout the trading day.

Helping lift the index, shares of Aviva picked up 2.3% after Bank of America Merrill Lynch added the insurance firm to its "Europe 1" list of stock picks and reiterated the buy rating on the stock.

"We expect Aviva to outperform the sector in the coming year as the market increasingly values the turnaround story and management gains credibility," the analysts said.

"Investors prepared to ride out the bumps in the road that will inevitably lie ahead will ultimately be well rewarded," they added.

Admiral Group PLC added 0.8% after the car insurer said it extended its underwriting arrangements with Munich Re AG .

Advertising giant WPP PLC gained 0.3% after saying its 24/7 Media unit acquired Crystal Semantics for an undisclosed sum.

Aberdeen Asset Management PLC moved 0.9% higher after Goldman Sachs confirmed the firm's neutral rating.

Miners added pressure on the London benchmark after data showed imports in China slowed down to growth of 5.3% in November from an increase of 7.6% in October. Shares of Fresnillo PLC lost 2%, Rio Tinto PLC (RIO) dropped 0.4% and Vedanta Resources PLC lost 2.7%.

Also in the resource sector, shares of Tullow Oil PLC fell 3.3% after the oil-exploration company said it has plugged a well in the South Omo block onshore Ethiopia and abandoned it as a dry hole.

More on the markets:

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