Shares were troubled outsourcing outsourcing company plummeted more than 10 per cent today to the lowest level in more than 30 years.
The price is dropped from 45.18p to a low of 39.03p today, as the construction and support services have been dealt with a rescue deal with lenders in March.
The company's finances were put under the spotlight this year following the collapse of former rival Carillion in January.
Commenting on the company's final results for 2017 chief executive Debbie White said it had been a "difficult year" with "much still to do."
White launched a "fit for growth" transformation plan saving the company £ 15m after a string of profit warnings in 2017.
"This work has been focused on refinancing, conducting a thorough assessment of contract portfolio, and introducing new management disciplines, processes and cost controls under the 'Fit for Growth' program," White said in April.
Last week the waste management company Renewed the complete Waste Management Center.
In October the company confirmed its industrial and industrial access and hard services business for £ 3.6m.