Beam Therapeutics (NASDAQ: BEAM), a pre-clinical gene-editing company, saw its shares dip by as much as 9.8% in early morning trading Monday. The biotech's stock has recovered to a degree as today's session has unfolded, but its shares were still down by 3.64% as of 12:49 p.m. ET Monday.  

What's weighing on the biotech's stock price today? Ahead of the opening bell, Beam announced that the Food and Drug Administration (FDA) placed a clinical hold on its relapsed/refractory T-cell acute lymphoblastic leukemia candidate known as BEAM-201. BEAM-201 is the company's lead off-the-shelf chimeric antigen receptor T-cell therapy candidate.

Beam didn't provide a reason for the clinical hold in its early morning press release. The biotech did say, however, that the FDA would send an official clinical hold letter to the company within the next 30 days. Presumably the agency's concerns will be made public once Beam digests the contents of this upcoming letter.

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Source Fool.com