Boart Longyear leaps to the top

By David Potts
Updated August 7 2014 - 10:08am, first published July 27 2014 - 12:15am
Sharmarket sprint: The short and sharp competition is for just four weeks.
Sharmarket sprint: The short and sharp competition is for just four weeks.

After tripling in value the race’s worst stock, mining services supplier Boart Longyear, is suddenly the best a week later.