This California utility has lost more than $3.3 billion in market value from wildfires

Edison International shares have tumbled 15% since the wildfire began Monday night.

Wildfires racing through Southern California are taking a toll on one of the state's largest utility companies.

Edison International (EIX) shares have tumbled 15% since the blazes began Monday night. It's lost more than $3.3 billion in market value.