QIAGEN's (QGEN) business is expected to get a boost from its growing molecular diagnostic market, expanded test menu and growth-driving strategic collaborations. Yet, the company faces a challenging macro environment. An intense competitive environment and exchange rate fluctuations may dent the results of operations. The stock carries a Zacks Rank #3 (Hold) at present.Factors Driving QGEN StockMolecular testing is the most dynamic segment of the global in vitro diagnostics market. QIAGEN offers one of the ...