Shares in the market heavyweight plummeted by over 10% at one point during early trading on Tuesday following the failure of a trial into a drug for a muscle disorder.

Shares of Novartis tanked on Tuesday after results from its del-desiran drug trial disappointed investors.

Novartis' del-desiran misses HARBOR trial's primary endpoint, adding to pelacarsen miss and CAR-T deaths; shares sink 10%.