Want the lowdown on European markets? In your inbox before the open, every day. Sign up here . Europe is again on edge about potential gas supply disruptions from Russia, even after the restart of the crucial Nord Stream pipeline following maintenance this week. A turbine that helps pump gas into the link is held up in transit in Germany after first being stranded in Canada due to sanctions. President Vladimir Putin has warned that shipments through Nord Stream — Russia’s biggest pipeline to the continent — could dwindle if the part isn’t returned to Russia in the coming days. Throughout the European Union, politicians and business are bracing for the possibility that Russia could cut gas supplies further, or halt them completely. EU nations are racing to build their stockpiles as they navigate a historic energy crisis, stoked by Russia’s war in Ukraine, that risks inflicting severe economic […]