 Shares of Orbital Energy Group Inc. rocketed 76.7 on record volume in afternoon trading Tuesday, after the Texas based diversified energy platform, which operates in the electric power and solar infrastructure services businesses, said its Gibson Technical Services subsidiary was awarded a project for about 700 miles of engineering and construction services across Central Mississippi. The stock is on track for the biggest one-day rally in 10 years, and trading volume of 173.0 million shares is the most since the company went public in October 1997. 