Impact of Trump's potential military action against Panama on global shipping and commodities prices in particular

There's been reports that Trump has ordered his military to draw up plans to attack/invade Panama in order to take over the operations of the Panama Canal.

https://www.reddit.com/r/worldnews/comments/1jbk0x1/trump_orders_us_military_to_plan_invasion_of/

If this proceeds, what impact do you think this will have on global shipping, the cost of transporting goods, and the price of commodities in particular? Do you think there are specific commodities that might be impacted more than other?