Trigger , an iPhone app that enables users to set up financial " triggers " to make investment decisions , has launched a " Trump trigger " feature to notify users as soon as US President - elect Donald Trump tweets about a publicly - traded stock they own . Trigger characterized the Trump trigger as the first step toward the startup using "not just price based data but relevant world events to condense into simple IF this, THEN that rules. While the app lets users set up reminders to move stocks as they reach certain points , the Trump trigger is its first instance of using world events as guides to action . After Trump criticised Boeing for the cost of a new Air Force One aircraft , the aerospace company 's stock fell almost 2 % .
Trigger , an iPhone app that enables users to set up financial " triggers " to make investment decisions , has launched a " Trump trigger " feature to notify users as soon as US President - elect Donald Trump tweets about a publicly - traded stock they own . While the app lets users set up reminders to move stocks as they reach certain points , the Trump trigger is its first instance of using world events as guides to action . After Trump criticised Boeing for the cost of a new Air Force One aircraft , the aerospace company 's stock fell almost 2 % .