Colonial said on Sunday that several of its smaller lateral lines were once again online but stated that its main lines were still offline. Cybersecurity stocks were also benefitted in focus as a result of the news, with shares in FireEye trading higher, while Fortinet and CrowdStrike moved lower at to the open. Multiple sources claimed the attack was undertaken by a Russian cybercriminal gang called DarkSide. The hackers, who infiltrated Colonial's network on Thursday and took almost 100GB of data hostage, locked the data on computers and servers, vowing to leak said data onto the internet if a ransom is not paid. Elsewhere in the corporate space, Tesla was 3.86% in the red following Elon Musk's appearance on Saturday Night Live over the weekend, Oracle slumped 1.14% on the back of a downgrade by analysts at Barclays and both Facebook and Alphabet moved lower as a result of a downgrade over at Citigroup.