There may be several components to this crash. Were the targets passengers? Or were the targets Trump, in the US vs China trade war?
“Boeing is one of the most expensive components of the Dow so if it goes, the Dow goes,”
https://www.cnbc.com/2018/03/15/this-could-get-very-ugly-very-fast-for-boeing-says-one-market-expert.html
Recently, a $30B trade deal was made with Vietnam to purchase the exact same Boeing 737 that just crashed in Ethiopia. This sounds more like sabotage and someone trying to crash our market.
https://www.politico.com/story/2019/02/27/trump-boeing-vietnam-trade-agreement-1189984