The FTSE 100 closed higher on Friday in calmer trading, boosted by double-digit gains from telecommunications firm Vodafone.The FTSE 100 closed up 24.84 points, 0.2%, at 10,497.29. The FTSE 250 ended up 130.85 points, 0.6%, at 23,371.41, and the AIM All-Share rose 1.57 points, 0.2%, to 763.82.For the week, the FTSE 100 was down 1.7%, the FTSE 250 fell 0.7% and the AIM All-Share shed 1.7%.In European equity markets on Friday, the CAC 40 in Paris ended up 0.2% while the DAX 40 in Frankfurt fell 0.2%.In New York, the Dow Jones Industrial Average was up 0.2%, the S&P 500 was up slightly, and the Nasdaq Composite fell 0.2%.Kathleen Brooks, research director at XTB, said: “As we move to the end of the week, volatility has retreated and fears about an escalation in tensions between the US and Ira