Australian drug developer Biotron may have found a potential cure for Hepatitis C, after all patients who completed a trial of its lead antiviral drug emerged with undetectable levels of the virus.

FRU.TO Freehold Royalties Ltd.

HWX.TO Headwater Exploration Inc.

Natural gas producers compete with oil producers, who throw off low-cost gas. Associated gas production is expected to continue growing as oil fields age and new pipelines are developed.