AB Science Stock Surges as Masitinib Beats Sutent in GIST

Shares in AB Science SA surged 71.5 percent last week on news that its tyrosine kinase inhibitor masitinib strongly outperformed Sutent (sunitinib malate) in a Phase II head-to-head trial in 44 patients with Gleevec-resistant gastrointestinal stromal tumors.