Quest Diagnostics Inc.’s (DGX) third-quarter revenue growth can be attributed to the strong momentum in its expanding portfolio of Advanced Services. The company strategically deploys AI and automation to improve its operational quality and efficiency. Its base business volume remains robust, which is highly encouraging. However, the mounting debt burden on DGX’s balance sheet could pose challenges for its operations.In the past year, this Zacks Rank #2 (Buy) company’s shares have risen 12.7% compared with ...