Concentrix Falls, Jefferies Mixed, ImmunityBio Down as FDA Issues Warning Letter on Cancer Claims

On this episode of Stock Movers:

-  Concentrix (CNXC) shares fall as the software company’s second-quarter forecast was weaker than expected. Vital Knowledge also notes “a modest shortfall on FQ1 EPS,” given margin compression.

- Jefferies (JEF) shares are mixed. Hedge fund founder George Weiss has lost his defamation suit accusing Jefferies Financial Group of running a “smear campaign” to pressure him to pay a $100 million debt owed by his firm, Weiss Multi-Strategy Advisers.

- ImmunityBio (IBRX) shares fell as much as 25%, the most intraday since 2024, after the FDA warned Anktiva ads are false and misleading, citing unapproved claims and regulatory violations. 

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