Drone-parts maker Unusual Machines UMAC 84.51%increase; green up pointing triangle says Donald Trump Jr.’s advisory role is about the president-elect’s son’s business network, not his political connections.

News of Trump Jr. being named an advisor to the Orlando, Fla., company sent shares surging Wednesday. The stock, which early in the trading session had more than doubled, was recently up 50%, to $8.07, and on pace for a record close after debuting on public markets earlier this year.