By Shreyashi Sanyal and Devik Jain (Reuters) -European shares closed higher on Monday driven by positive updates from companies including Germany’s Infineon and Britain’s Informa, while investors positioned themselves for a slew of data including inflation and flash GDP due this week. The pan-European STOXX 600 index rose 0.1%, hovering near 11-week highs. Informa Plc jumped 5.8% after the events organiser raised its full-year earnings outlook, helping London’s blue-chip FTSE 100 index outperform its regional peers with a 0.9% rise. [.L] Germany’s DAX gained 0.6%. Shares of Infineon climbed 7….