Stocks were rising Monday after The Wall Street Journal reported Tehran was looking to resume talks with the White House over its nuclear program in order to de-escalate a military conflict with Israel.

Shares of biotech company Sarepta Therapeutics (NASDAQ:SRPT) fell 44.4% in the afternoon session after the company reported a second death linked to its Duchenne muscular dystrophy gene therapy. Elevidys.

Sarepta's stock drops on ELEVIDYS safety concerns, yet potential remains for ambulatory patients. Click here to read an analysis of SRPT stock now.

Sarepta suspends Elevidys use in non-ambulatory Duchenne patients after two liver failure deaths, triggering FDA review and clinical trial pause.

Another gene therapy death of a Duchenne patient has some parents and doctors criticizing the FDA's actions, even as other parents still push for the therapy.

Despite setbacks, Sarepta’s gene therapy pipeline and market leadership in DMD present a high-risk, high-reward setup. Read more on SRPT stock here.

Shares of Sarepta Therapeutics, Inc. SRPT fell sharply in today's pre-market trading after the company suspended ELEVIDYS shipments and paused ENVISION trial after second fatal liver failure in non-ambulatory Duchenne patients. Sarepta Therapeutics shares tumbled 31.4% to $24.86 in the pre-market trading session.

Sarepta Therapeutics shares dived 42% in premarket trading after the company disclosed a second reported case of acute liver failure that resulted in a death tied to its Duchenne muscular dystrophy treatment Elevidys. Shares were trading around $20.61. The stock is down 70% on the year.

Wall Street analysts were quick to downgrade Sarepta Therapeutics (NASDAQ:SRPT) on Monday as the company suspended its revenue guidance for 2025 following a second fatality linked to Elevidys, its gene therapy for Duchenne muscular dystrophy.