The firm said that total revenue was lower than expected due to the timing of orders in its flow cytometry operations in the third quarter.
The FDA clearance follows earlier US marketing approval for the firm's C. Difficile assay.
The investment bank adjusted its December 2020 price target for Luminex's stock to $21 and for Accelerate Diagnostics' stock to $16.
The firm's flow cytometry business contributed about $13.2 million, or 16 percent of the firm's consolidated revenue in the second quarter.
The firm said its assay is a real-time qPCR test for the direct detection of methicillin-resistant Staphylococcus aureus DNA in nasal swabs.
The firm has three clinical trials in progress to validate the clinical utility of products it soon intends to submit for regulatory clearances to the FDA.
The firm said that it placed about 50 sample-to-answer molecular systems under contract during Q1, and it had about 625 active sample-to-answer product customers.
Luminex has since fixed the problem with a software update but a similar issue with non-specific amplification has also affected two targets on BioFire's GI panel.
Natera and Veracyte both received positive news regarding local coverage determinations from Medicare contractors, while the catalysts for Fluidigm's rise were unclear.
The index — which outperformed the Dow Jones, the Nasdaq, and the Biotechnology Index this month — gained more than 8 percent.
GenomeWeb reports that Veritas Genetics is suspending its US operations.
A Brazilian-led team of researchers reports it has generated a sugarcane genome assembly that encompasses more than 99 percent of its genome.
Certain plasma proteins could be used to gauge a person's age and whether they are aging well, according to HealthDay News.
In Science this week: approach to measure microRNA targeting efficiency, strategy to conduct high-throughput chemical screens at single-cell resolution, and more.