Quest Diagnostics boosts share repurchase by $1B; Magellan Dx wins 510(k) for lead level test;

> Quest Diagnostics ($DGX) says its board increased a share repurchase plan by $1 billion. Story

> Ireland's Trinity Biotech is paying nearly $34 million for Immco, a suburban Buffalo, NY, maker of autoimmune disease diagnostic kits. Story

> Magellan Diagnostics in Billerica, MA, won the FDA's 510 (k) clearance to market its new test designed to measure lead levels in the blood. Item

> MBio Diagnostics in Boulder, CO, has expanded its board of directors, adding entrepreneur Robert Silverman to the team. Item

> Startup Global Cancer Diagnostics in Tempe, AZ, is a finalist for a national crowdfunding contest for emerging small businesses. Item