The livestream sharing commentary on investing appeared for at least eight minutes late Thursday on whitehouse.gov/live, where the White House usually streams live video of the president speaking.

A financial YouTuber was shocked to find out his livestream had appeared on the White House's official website. It remains unclear if this was a mistake or a hack.

The White House website was disrupted late Thursday night when a live stream showing a bearded young man wearing headphones and sitting in front of a microphone appeared.The video stream could be seen ...