The MSCI All Country World Index, which tracks shares in 47 countries, was up a little over 0.1 percent, and set to end the week flat after two consecutive weekly gains.
The STOXX 600 fell 0.1 percent as earnings streamed in with several big disappointments causing shares to slide.
Europe’s tech index rose more than 2 percent, leading sectoral gainers in the region, with Ericsson and ASML surging 9 percent and 5 percent respectively.
The pan-European STOXX 600 index was down 0.2 percent by 0725 GMT. Trading was however subdued ahead of Powell’s speech due at 1400 GMT.
European shares edged higher on Tuesday as investors shifted from worrying about a trade war to focusing on a corporate earnings season expected to deliver solid results.
The pan-European STOXX 600 index rose 0.2 percent by 0830 GMT, a 2 1/2-week high, and headed for its sixth straight day of gains.
The MSCI world equity index .MIWD00000PUS, which tracks shares in 47 countries, rose 0.4%, while the pan-European STOXX 600 index was up 0.6%.
The pan-European STOXX 600 index was up 0.6 percent by 0813 GMT while the British blue chip index FTSE 100 .FTSE gained 0.3 percent.
The pan-European STOXX 600 index was up 0.2 percent by 0724 GMT while Germany's exporter-heavy DAX .GDAXI rose only 0.1 percent.
The pan-European STOXX 600 index was up 0.4% by 0859 GMT, while Germany's exporter-heavy DAX .GDAXI rose 1%.