Wells Fargo

Wells Fargo downgraded Cepheid from Outperform to Market Perform, citing the firm's "credibility and visibility" following a revised 2017 outlook.

In a report issued today, analysts said the company failed to provide "meaningfully improved visibility on broader reimbursement and revenue progression."

The investment bank noted stabilization in Myriad's BRCA1/2 testing franchise, the firm's new management, and its new products. 

The upgrade follows four consecutive quarters of above-industry-average revenue growth, driven by the biopharma end market, and the addition of a new CEO.

The US Food and Drug Administration has new guidelines that enable some gene and cell therapies to undergo expedited review, according to the New York Times.

Using gene drives to control invasive species might be too risky, an initial advocate of the approach says.

Researchers have grown tumors in 3D cell cultures to better understand cancer, the Economist reports.

In Science this week: intellectual property experts argue patent battles such as the one over CRISPR are wasteful, and more.