Southern California Edison, a unit of utility Edison International , said on Monday preliminary analysis of data showed a "momentary and expected increase in current" on its energized lines in the Eaton Canyon corridor on Jan.

A judge on Tuesday approved a temporary restraining order for Southern California Edison to preserve data and equipment related to the area where the Eaton fire started.

Shares of Edison International's ( EIX, Financials) subsidiary, Southern California Edison Company, fell by 1.9% on Monday to $57.74 at 1:14 p.m. GMT-5 following the company's detailed report to the California Public Utilities Commission regarding the Eaton Fire that erupted near Eaton Canyon in Altadena on Jan. 7.

Edison International (NYSE:EIX) -3.4% in Monday's trading as fire investigators have asked Southern California Edison to preserve its equipment near the site where the deadly Eaton fire began earlier this month,