09:15 AM EST, 03/05/2024 (MT Newswires) -- Health care stocks were steady pre-bell Tuesday, with the Health Care Select Sector SPDR Fund (XLV) slipping 0.1% and the iShares Biotechnology ETF ( IBB ) recently inactive.

Regenxbio ( RGNX ) was rallying past 33% after it reported new data about its investigational gene therapy RGX-202 showing "significantly increased" microdystrophin expression at dose level 2 with early evidence of strength and motor function improvement in a 12-year-old patient with Duchenne muscular dystrophy.

Tandem Diabetes Care ( TNDM ) was down more than 8% after saying it plans a private placement of $250 million in principal amount of convertible notes due 2029.

BridgeBio Pharma ( BBIO ) was slipping past 1% after it launched an underwritten public offering of $250 million in shares.