KEY POINTS
  • The stock was also trading at levels not seen since January 2016 and was the worst performer in the S&P 500.
  • PG&E said in an SEC filing Friday it has "$800 million in liability insurance for potential losses."
  • Christopher Turnure, an analyst at JPMorgan covering the stock, said gross liability damages could amount to $12.2 billion in an "extreme case."
PG&E workers work to repair power lines in the Coffey Park neighborhood following the damage caused by the Tubbs Fire on October 13, 2017 in Santa Rosa, California.

Shares of PG&E dropped more than 7 percent on Monday as investors fled on worries the giant electric utility company could suffer steep losses if it's found liable for the Northern California wildfires.

The stock was also trading at levels not seen since January 2016 and was the worst performer in the .