* FTSEurofirst 300 rises 0.1 percent, hits one-week high
* VDAX volatility at 3-week low, flirts with 15-month low
* H&M falls as same-store sales miss expectations
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By Blaise Robinson
PARIS, Dec 15 (Reuters) - European stocks inched higher in early trade on Tuesday, led by miners as investors braced for key economic data.
At 0909 GMT, the FTSEurofirst 300 <
> index of top European shares was up 0.1 percent at 1,019.02, gaining ground for a fourth consecutive session, after hitting a one-week high of 1,021.25 points earlier.Rio Tinto <RIO.L> gained 0.6 percent, BHP Billiton <BLT.L> added 0.9 percent and ArcelorMittal <ISPA.AS> climbed 2.1 percent, rising with metal prices. Copper inched higher, helped by a weaker dollar.
But the market's gains were limited by weak bank stocks, with Barclays <BARC.L> down 1.5 percent, Banco Santander <SAN.MC> 0.5 percent lower and Credit Suisse <CSGN.VX> off 1.1 percent.
"Graphics show a diamond-shape configuration building up at the moment, and index traders have the finger on the trigger," said Bertrand Lamielle, head of discretionary portfolio management at BCapital, in Paris.
"As soon as we break out of the diamond on the upside, stocks could be surging for a few sessions," he said.
Signalling a rise in investor appetite for risky assets, the VDAX-NEW volatility index <.V1XI> was down 2.2 percent on Tuesday, hitting a three-week low and flirting with 15-month lows.
The lower the volatility index, which is based on options on Frankfurt's top-30 stocks <0#.GDAXI>, the higher is investor appetite for risky assets such as equities.
Around Europe, Britain's FTSE 100 index <
> was down 0.2 percent, Germany's DAX index < > up 0.1 percent, and France's CAC 40 < > flat.Hennes & Mauritz <HMb.ST> dropped 0.8 percent after the Swedish fashion retailer undershot expectations with a 9 percent fall in same-store sales in November.
M&A PLAYS
German truckmaker MAN <MANG.DE> added 3.6 percent after German newspaper Sueddeutsche Zeitung quoted an unidentified company executive as saying MAN expects a full takeover bid by Volkswagen <VOWG.DE>, up 0.9 percent.
Both MAN and Volkswagen declined to comment on the report.
Cadbury <CBRY.L> shed 0.8 percent after Kraft Foods <KFT.N> vowed to maintain discipline in its pursuit of the British confectioner.
Investors awaited U.S. data on producer prices and industrial output, seeking clues on the outlook for the world's biggest economy the day before the Federal Reserve's interest rate decision and accompanying statement.
"Investors' sentiment has changed and the market may start to react negatively to stronger-than-expected macro-economic data, as it will fuel speculation of early interest rate hikes," BCapital's Lamielle said.
The market will also focus on Germany's ZEW index on analyst and investor economic sentiment, due at 1000 GMT.
The FTSEurofirst 300 has surged 58 percent since reaching a record low in March After a dismal performance last year, Europe's benchmark index is on track for its best annual performance since 2005. (Editing by Dan Lalor)