Global energy markets are monitoring the potential conflict at the Ukraine-Russia border as crude oil and natural gas prices are rallying Wednesday. Investors are observing possible supply disruptions in Russia and threats to the United Arab Emirates’ energy infrastructure following missile attacks by Yemen’s Houthi rebels. These developments have provided an immense appetite for bulls in the oil and gas market, even as volatility seeps into the broader equities arena. The European natural gas market is extremely tight. EU gas storage is below 45 percent full, down from the five-year average of about 60 percent for this time of the year. In Moscow, oil and gas exports account for about half of the nation’s federal budget revenues. Ukraine plays a significant role in the region’s energy sector. Kiev functions as a transit route for Russian gas being shipped into Europe, while Russia represents close to 50 percent of Europe’s natural gas …