August 27 (SeeNews) - The shares of Bulgarian construction company Trace Group Hold [BUL:T57] traded 4.76% lower at 3.6 levs ($2.14/1.84 euro) on the Sofia bourse at the start of Monday's session after a bus crash, allegedly caused by the poor condition of a road recently repaired by a unit of the company, killed 16 and left 27 injured on Saturday.