Orla/iStock via Getty Images Thesis Navigator Holdings (NYSE:NVGS) is continuing to grow its on-shore terminal foothold through expansions of its existing ethylene export terminal and its recent announcement of participation in a joint venture to develop an ammonia export terminal. Investments in on-shore terminals serve NVGS as a powerful 1-2 punch by allowing the company to participate in more than one aspect of the NGL and petrochemical value chain. First, the new terminals have an immediate impact t ...