The energy holding company owns the utility Pacific Gas & Electric, which supplies energy to Northern and Central California.
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News about PG&E Corp.
Damages to PGE from the fire could total $20 billion, while those for Edison could reach $5 billion, analysts say.
Damages are expected to top $19 billion this year.
Pacific Gas and Electric (PG&E) cut power to tens of thousands of customers in northern California on Sunday.
The MSCI World Utilities Index has fallen 10% since the end of November.
The utility faces two investigations and a lawsuit for its role in recent wildfires