Energy sector-related exchange traded funds strengthened Tuesday after Russia halted oil flows through a pipeline to central and eastern Europe, fueling bets that Europe will be reliant on other crude oil sources. Among the better performing non-leveraged ETFs of Tuesday, the Energy Select Sector SPDR (XLE) rose 2.0%, the Vanguard Energy ETF (VDE) gained 2.1%, [...] The post Energy ETFs Strengthen After Russia Stops Oil Flows Across Ukrainian Pipeline appeared first on ETF Trends .