SunEdison’s battered shares plumbed new lows in trading on Tuesday, falling more than 55% at one point, to $0.57, against a 52-week high of $33.45.

SunEdison has faced ever-tightening scrutiny since the start of 2016, heightened by the collapse of its planned acquisition of Vivint Solar and two delays so far in the filing of its 2015 financial results.

Today TerraForm Global – SunEdison’s yieldco focused on developing countries – delayed the filing of its own annual report, citing its "significant" reliance on the latter’s systems and personnel.

A