LONDON (MarketWatch) -- European shares edged higher on Tuesday morning, as oil producers advanced and French supermarket group Carrefour jumped 5.3% after naming Lars Olofsson as its new CEO. Barclays climbed 3.2% following news that the lender will make 500 million pounds ($750.6 million) of reserve capital instruments available to institutional investors. The German DAX 30 index rose 0.3% to 4,572.10, the French CAC-40 climbed 0.3% to 3,191.48, while the U.K. FTSE 100 index dipped 0.3% to 4,118.84.
