Stubhub Drops on Forecast; WBD Rises on Acquisition Hype
Stock Movers: Cidara Therapeutics jumps 106% on premarket news, while Stubhub declines due to weak outlook and WBD gains on acquisition interest π

Bloomberg Podcasts
187 views β’ Nov 14, 2025

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On this episode of Stock Movers with Lisa Mateo:
- Shares of biotech company Cidara Therapeutics (CDTX) surged as much as 106% in premarket trading after Merck agreed to buy the biotech for $221.50 per share in cash, for a total transaction value of about $9.2 billion. Merck is seeking deals to expand its portfolio of treatments as it prepares for patent losses that are expected to erode its sales by $18 billion over the next five years. In 2028, Merck faces a patent expiration for Keytruda, the best-selling drug in pharmaceutical history which accounted for almost half of the companyβs revenue last year.
- Stubhub (STUB) shares tumble as much as 20% in premarket trading on Friday as analysts note that it was surprising that the ticketing platform did not provide a forecast for the current quarter. This is the firmβs first quarterly report after going public in September.
- Warner Bros. Discovery (WBD) shares rallied ahead of the US market open following a Wall Street Journal report that Paramount, Comcast and Netflix are preparing bids for the media giant. WBD amended the contract of Chief Executive Officer David Zaslav to ensure his stock options remain eligible to vest even if the media company is sold. The change, announced in a regulatory filing Thursday, follows the companyβs decision last month to consider strategic options including a possible sale.
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- Shares of biotech company Cidara Therapeutics (CDTX) surged as much as 106% in premarket trading after Merck agreed to buy the biotech for $221.50 per share in cash, for a total transaction value of about $9.2 billion. Merck is seeking deals to expand its portfolio of treatments as it prepares for patent losses that are expected to erode its sales by $18 billion over the next five years. In 2028, Merck faces a patent expiration for Keytruda, the best-selling drug in pharmaceutical history which accounted for almost half of the companyβs revenue last year.
- Stubhub (STUB) shares tumble as much as 20% in premarket trading on Friday as analysts note that it was surprising that the ticketing platform did not provide a forecast for the current quarter. This is the firmβs first quarterly report after going public in September.
- Warner Bros. Discovery (WBD) shares rallied ahead of the US market open following a Wall Street Journal report that Paramount, Comcast and Netflix are preparing bids for the media giant. WBD amended the contract of Chief Executive Officer David Zaslav to ensure his stock options remain eligible to vest even if the media company is sold. The change, announced in a regulatory filing Thursday, follows the companyβs decision last month to consider strategic options including a possible sale.
--------
Watch Bloomberg Radio LIVE on YouTube
Weekdays 7am-6pm ET
WATCH HERE: http://bit.ly/3vTiACF
Follow us on X: https://twitter.com/BloombergRadio
Subscribe to our Podcasts:
Bloomberg Daybreak: http://bit.ly/3DWYoAN
Bloomberg Surveillance: http://bit.ly/3OPtReI
Bloomberg Intelligence: http://bit.ly/3YrBfOi
Balance of Power: http://bit.ly/3OO8eLC
Bloomberg Businessweek: http://bit.ly/3IPl60i
Listen on Apple CarPlay and Android Auto with the Bloomberg Business app:
Apple CarPlay: https://apple.co/486mghI
Android Auto: https://bit.ly/49benZy
Visit our YouTube channels:
Bloomberg Podcasts: https://www.youtube.com/bloombergpodcasts
Bloomberg Television: https://www.youtube.com/@markets
Bloomberg Originals: https://www.youtube.com/bloomberg
Quicktake: https://www.youtube.com/@BloombergQuicktake
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Views
187
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4
Duration
3:39
Published
Nov 14, 2025
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