Hacker News new | ask | show | jobs
by delusional 253 days ago
The traditional "efficient market" theory would be: synergies. The market believes that AMDs value increased BECUASE OpenAI now owns it. That is to say, the market believes that OpenAI taking a stake in AMD increases the value of AMD.

There are a host of different hypothesis you could pose to explain that. Maybe OpenAI has some secret sauce they'll share with AMD now that they have a stake. Maybe OpenAI will be more likely to buy from AMD in the future. Maybe AMD can use the experience they get serving OpenAI to better their products. Heck, maybe OpenAI will pump the stock by having Sam Altman talk about it on some podcasts.

It's impossible to disentangle all of those theories, because different investors will have different beliefs and you only get an aggregate.
1 comments
lucianbr 253 days ago
Thanks for explaining.

Imho AMD itself needs to have a theory, which underpins their signing of the deal. For my clueless self, that investors have various theories and we don't know what they are is ok-ish, but that AMD has a theory but keeps it secret yet it gets the result of stock rise... is fishy.

Everyone is going in circles making suppositions and estimations based on who knows what. That can't be healty, can it? There used to be requirements that publicly listed companies act with some level of transparency, and those requirements existed for a reason. I guess. I am certainly no expert in finance.

link
delusional 253 days ago
> but that AMD has a theory but keeps it secret yet it gets the result of stock rise... is fishy.

It's not secret at all. Companies announcing a deal like this usually include some PR material alongside it [1]. In this one, the quote is:

    “Our partnership with OpenAI is expected to deliver tens of billions of dollars in revenue for AMD while accelerating OpenAI’s AI infrastructure buildout,” said Jean Hu, EVP, CFO and treasurer, AMD. “This agreement creates significant strategic alignment and shareholder value for both AMD and OpenAI and is expected to be highly accretive to AMD's non-GAAP earnings-per-share.”
"significant strategic alignment", "shareholder value", and "billions of dollars in revenue" are all things that should be expected to move the market cap. The "tens of billions in revenue" would generate upwards of 100 billion in market cap alone, assuming AMD's current multiple.

[1]: https://www.amd.com/en/newsroom/press-releases/2025-10-6-amd...

link