** Biopharma co's shares IMNM.O more than doubles to
$59.80 premarket, set for record high if gains hold
** Stock among top pct gainers across U.S. exchanges
premarket
** IMNM says it has discovered potent antibodies capable of
neutralizing several COVID-19 variants, including the B.1.351
South African variant urn:newsml:reuters.com:*:nBw2pKxRa
** Says it has identified antibodies that bind to
non-overlapping regions of the spike protein, including those
regions containing the critical mutational variants
** IMNM's COVID-19 program aims to develop a cocktail of
antibodies targeting spike and non-spike proteins
** Lab testing recently found Regeneron Pharma's REGN.O
COVID-19 antibody cocktail can fight a S. African variant but
Eli Lilly's LLY.N drug, bamlanivimab, is inactive against it
(https://reut.rs/2NytKqe)
** Stock has surged ~65% since its market debut in October
(Reporting by Amruta Khandekar)
((Amruta.Khandekar@thomsonreuters.com;))