By Sruthi Shankar (Reuters) -European shares eased on Thursday as concerns over growing tensions in Ukraine eclipsed a slew of encouraging earnings from companies such as Kering, Reckitt Benckiser and Commerzbank. The pan-European STOXX 600 index slipped 0.1% after rising as much as 0.3% in early trading. France’s CAC 40 added 0.3%, boosted by a 6.6% jump in luxury goods maker Kering after it reported sharp growth in quarterly sales on the back of its top Gucci brand. Peers LVMH and Hermes rose 0.7% and 2.3%, respectively. However, Germany’s DAX was flat and UK’s FTSE 100 fell 0.6%, while bank…