* FTSEurofirst 300 recovers, up about 1 percent
* Miners buoyed by better-than-expected Alcoa earnings
* Banks rebound after Fed's Bernanke comments
By Blaise Robinson
PARIS, July 9 (Reuters) - European stocks rose in early trade on Wednesday, paring some of the previous session's sharp losses after reassuring comments from the Fed chairman helped spark a rally in equities worldwide.
But investors remained cautious as tensions surrounding Iran's nuclear programme pushed oil prices higher after Tuesday's losses. Iranian state media reported that the country had test-fired missiles that could reach Israel and U.S. bases in the region.
Miners were among the biggest gainers, with Xstrata <XTA.L> up 1.3 percent and BHP Billiton <BLT.L> up 1.6 percent, after U.S. aluminium producer Alcoa <AA.N> posted stronger-than-expected results late on Tuesday.
At 0827 GMT, the FTSEurofirst 300 <
> index of top European shares was up 0.9 percent at 1,171.77 points. The benchmark index, which is down 22 percent on the year, lost 1.5 percent on Tuesday. "(Fed Chairman Ben) Bernanke's remarks overnight that said the Fed would further help the devastated financial sector pushed U.S. financial stocks substantially higher," said Franz Wenzel, strategist at AXA Investment Managers, in Paris."It's been a fairly oversold situation, and I wouldn't rule out a relief rally at this point," Wenzel said.
Bernanke said the U.S. central bank may keep an emergency lending facility for big Wall Street firms open longer than it initially intended, sparking sharp gains among U.S. banking stocks.
European banks followed, with Credit Agricole <CAGR.PA> up 3.9 percent, Barclays <BARC.L> up 3.4 percent, and UBS <UBSN.VX> up 3.9 percent.
Banking stocks have been hit over the past year by concerns about the impact of a meltdown in the risky U.S. subprime mortgage market which has forced many banks to unveil major asset writedowns and emergency capital injections.
The DJ Stoxx bank index <.SX7P> is down 34 percent in 2008, Europe's worst performing sector for the year to date.
Around Europe, Germany's DAX index <
> was up 0.8 percent, Britain's FTSE 100 index < > rose 1 percent and France's CAC 40 < > gained 0.7 percent.Renault <RENA.PA> inched lower, down 0.5 percent, after the French car maker downgraded its 2008 sales volume growth target, citing economic uncertainty, after first-half worldwide unit sales of 4.3 percent.
"The stock dropped yesterday so the profit warning was already priced in," said Frederic Hamm, portfolio manager at Agilis Gestion.
InBev NV <INTB.BR> shed 1.7 percent after Anheuser-Busch Cos Inc <BUD.N> said it was suing InBev in an attempt to slow its suitor's efforts to replace the U.S. brewer's board of directors, which rejected InBev's $46.3 billion takeover offer.
WPP Group <WPP.L> lost 2.6 percent after the world's second-largest advertising company launched a hostile bid worth 1.08 billion pounds ($2.13 billion) for British market research firm Taylor Nelson Sofres (TNS) <TNS.L>.
Taylor Nelson Sofres rose 5.3 percent.
(Additional reporting by Sudip Kar-Gupta; editing by Rory Channing)