By Sruthi Shankar and Bansari Mayur Kamdar (Reuters) -European shares rose on Friday adding to the strong gains earlier this week, as investors focussed on Russia-Ukraine peace negotiations and digested the talks between U.S. President Joe Biden and Chinese counterpart Xi Jinping. The pan-European STOXX 600 index closed 0.9% higher with technology stocks, leading the gains. The benchmark index was headed for its best weekly performance since November 2020 on optimism that peace would be negotiated in the Ukraine conflict that has rattled global markets. “It’s been a weird week because although…