* FTSEurofirst 300 up 2.3 pct, snapping 4-day losing streak
* Insurers, banks lead sectoral gainers
* RBS gains after puts assets in UK insurance scheme
By Christoph Steitz
FRANKFURT, Feb 26 (Reuters) - European shares closed higher on Thursday, snapping a four-day losing streak, as Royal Bank of Scotland <RBS.L> boosted a resurging banking sector, while investors received U.S. housing data positively .
The FTSEurofirst 300 <
> index of top European shares closed 2.3 percent higher at 732.47 points, after hitting a six-year low on Wednesday. It has fallen more than 12 percent so far this year, after plummeting 45 percent last year.RBS jumped 25.5 percent after saying it would put 325 billion pounds ($463 billion) of its assets into Britain's bank insurance scheme. It also booked a 2008 loss of 24.1 billion pounds, the biggest in British corporate history.
"When a state puts a bank under its wings, it always causing a small recovery rally," said Giuseppe-Guido Amato, strategist at Lang & Schwarz in Germany, referring to statements by RBS that the British government's stake in the bank could rise as high as 95 percent. [
] [ ]Banking stocks gained, with UBS <UBSN.VX>, Deutsche Bank <DBKGn.DE>, BNP Paribas <BNPP.PA>, Societe Generale <SOGN.PA> up between 8.9 percent and 16.2 percent.
"For me, this is the frail attempt of a bear-market rally. It may not be sustainable enough, but if the markets go into the weekend on a positive note, I could imagine that gains will continue next week," he added.
"U.S. housing data was well received by the markets, too."
A report showed sales of new single-family homes in the United States slumped to a record low last month, the prior month's drop was pared back, providing some relief to investors.
INSURERS UP
The DJ Stoxx insurance index <.SXIP> was the top sectoral gainer, up 9.75 percent.
Allianz <ALVG.DE> posted a worse-than-expected loss for 2008, saying it had been affected by losses at Dresdner Bank, which Allianz sold to Commerzbank <CBKG.DE> in a deal completed last month.
However, Allianz shares were up 12.4 percent as investors showed relief that Dresdner Bank had found a new home.
BASF <BASF.DE> gained 7.4 percent after the German chemical maker's chief executive reiterated his commitment to a steady dividend in coming years.
"This relief rally can be linked to the statements made by management on the dividend policy," says Harald Gruber, analyst at Silvia Quandt Research.
Sentiment in Europe was also boosted by U.S. President Barack Obama's budget proposal, unveiled on Thursday, pencilling in the possibility he may request an additional $250 billion to help fix the troubled U.S. financial system. [
]On the downside, pharma stocks were the biggest sectoral decliners. The DJ Stoxx healthcare index <.SXDP> shed 1.1 percent, while Sanofi-Aventis <SASY.PA>, Bayer <BAYG.DE> and AstraZeneca <AZN.L>, were down 1.8 percent to 2.5 percent.
Around Europe, UK's FTSE 100 index <
> was up 1.7 percent, while Germany's DAX index < > rose 2.5 percent and France's CAC 40 < > gained 1.8 percent. (Additional reporting by Blaise Robinson in Paris; Editing by Andrew Macdonald)