By Sara Sjolin, MarketWatch

LONDON (MarketWatch) -- European stock markets pared advances in the afternoon on Thursday after European Central Bank President Mario Draghi offered no fresh easing measures to fight the euro zone's low inflation.

The Stoxx Europe 600 index moved 0.1% higher to close at 337.28, after trading as high as 338.90 ahead of Draghi's comments.

Helping drive the benchmark higher, shares of Bouygues SA gained 6.6% after the conglomerate offered 10.5 billion euros ($14.42 billion) to buy control of Vivendi SA's French telecom business SFR. Vivendi shares added 0.9%.

Shares of Aviva PLC rallied 8.1% in London after the insurer said adjusted operating profit increased 6% in 2013 as the value of new business rose.

Shares of Aggreko PLC jumped 3.5% after the temporary-power provider said it will return 200 million pounds ($333.76 million) to shareholders and raised its dividend by 10% after cutting debt.

Shares of Logitech International SA added 3.9% after the computer-accessories maker raised its earnings guidance and launched a $250 million share-buyback.

On a more downbeat note, shares of Balfour Beatty PLC slid 7.4% after the infrastructure firm said difficult market conditions in the U.K. and a significant downturn in the Australian mining-and-resource sector led to a "disappointing financial performance" in 2013.

More broadly, investors focused on central bank meetings. The European Central Bank left its main refinancing rate unchanged at a record low of 0.25% and kept the deposit rate at 0%. Some economists had expected the central bank to either cut rates or reveal other easing measures, such as ending SMP sterilization, but ECB President Mario Draghi didn't indicate that the Governing Council is itching to loosen monetary policy further.

"In the end, the ECB's March policy meeting seems a bit of a damp squib with no move on interest rates or liquidity, and no strong indication that it feels action is necessary as things stand," said Howard Archer, chief U.K. and European economist at IHS Global Insight in emailed comments.

This view also dampened the upbeat sentiment in the stocks market, with European equities coming off their intraday highs, although the euro (EURUSD) rose to a 2014-high against the dollar at $1.3847, up from $1.3731 late Wednesday.

Declining inflation in the euro zone has in recent months sparked fears of actual deflation, adding pressure on the ECB to take action. Draghi, however, said at the press conference that medium-term inflation expectations remain well anchored and that growth in consumer prices should gradually move to the ECB target of just below 2%. ECB staff project inflation to reach 1.7% by the fourth quarter of 2016, Draghi said.

Should consumer prices fail to pick up, Archer from IHS Global Insight pointed out that there "remains a very real possibility" that the ECB could take further easing action.

"The fact that euro-zone consumer price inflation was still only 0.8% in February after falling to a four-year low of 0.7% in October means that this very low inflation rate cannot be seen as a temporary phenomenon," he said.

The Bank of England also met on Thursday and -- as expected -- kept its interest rate a record low of 0.5% and made no change to its 375 billion ($627 billion) quantitative-easing program. Read: Happy birthday, QE: 6 charts on U.K's 5-year recovery

Among country-specific indexes, France's CAC 40 index gained 0.6% to 4,417.04, buoyed by the gains for Bouygues. Germany's DAX 30 index closed marginally higher at 9,542.87, and the U.K.'s FTSE 100 index advanced 0.2% to 6,788.49.

In the U.S., data showed weekly jobless claims showed a larger-than-expected drop in the week ended March 1. The number of people who applied for U.S. unemployment benefits fell by 26,000 to 323,000 in the week ended March 1, marking the lowest level since late November.

U.S. stocks traded higher on Wall Street.

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