** Shares of genetic testing firm Natera NTRA.O rise 1.4% to $197.59 premarket
** Co launches Zenith Genomics, a whole genome sequencing test aimed at speeding diagnosis of rare and ultra-rare diseases - NTRA
** Rare diseases affect about 30 million Americans and can take years to diagnose, co says
** Test is designed to spot hard-to-detect genetic disorders and help guide treatment and long-term care
** Zenith Genomics developed with genome analysis firm MyOme and will be offered across the U.S. using Natera's existing network - NTRA
** Co says growing use of genetic testing and insurance coverage should support adoption
** Shares up ~44% in 2025
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))