By Samuel Indyk LONDON (Reuters) – European shares rebounded on Friday but world stocks were still on track for their first weekly loss in four as the prospect of aggressive global rate hikes and geopolitical risks rattled investors. Global risk appetite declined during the week as minutes from the Federal Reserve and European Central Bank showed policymakers are set to ramp up efforts to rein in inflation. At 0811 GMT, the MSCI world equity index, which tracks shares in 50 countries, was up 0.2% but for the week was down 1.3% and on track for its first weekly loss in four. The pan-European ST…

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