Amazon is in talks to buy AI startup Decart in a deal that could value it at around $7 billion, the WSJ reports, citing people familiar with the matter. Reuters could not immediately verify the report. Decart was valued at about $4 billion in May.

Correction (Oct 12): An earlier version said Decart was founded by CEO Dean Leitersdorf and Moshe Shalev. Decart was founded by three engineers: Dean Leitersdorf, Orian Leitersdorf, and Moshe Shalev.
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Marvell is in advanced talks to acquire optics maker Lumentum, Bloomberg News reported Oct 28, citing people familiar, and a source told Reuters the same. A deal could be announced as soon as next week, though talks are private and no agreement has been reached. Lumentum rose about 9% after hours and Marvell fell more than 8%, per Reuters.
Guidewire said Oct. 27 it signed a definitive agreement to buy London-based hyperexponential, an AI underwriting and pricing software provider for commercial insurers, for $1.7 billion in cash plus up to $400 million tied to recurring-revenue targets. Guidewire plans to fund the deal with $1 billion in new term loans from Bank of America and Citibank plus cash on hand. It expects the deal to close in its fiscal second quarter of 2027 and to have no impact on its first-quarter guidance.
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