Gold is the most expensive it's ever been, but analysts warn that a Biden presidency and a coronavirus vaccine could derail its record surge

· Gold prices have rallied to their highest levels in history this week, but its rally won't last forever. 
· Business Insider spoke to a number of analysts this week to find out what could derail the precious metal's record rise.
· A Joe Biden presidency, the development of a useable coronavirus vaccine, and a stock...