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zetazzed • yesterday at 8:28 PM • 3 replies • view on HN

Amazingly, when this (IMHO quite good) data leaked, Moderna stock took a huge drop: https://finance.yahoo.com/markets/stocks/article/moderna-sto... (Seems like people were expecting absolutely incredible, "cure for cancer" results and had already bid up the price a lot in advance.)


Replies

CamelCaseName • yesterday at 8:51 PM

Not a huge surprise given the absolute face ripping jump MRNA had when the vaccine was first announced. The ~$20B company jumped 174% overnight, and then climbed another 70% over the last two months, now only dropping 18% on this news.

To illustrate how much they've gone up, this 18% drop is just slightly less than their entire market cap in June (four months ago)

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jeffybefffy519 • yesterday at 9:28 PM

Seems like absolutely huge news, and hopefully getting it approved means it can be developed even more...

ortusdux • yesterday at 9:40 PM

I'm way out of my depth on this topic, but my understanding is that studies have shown that several currently approved mRNA vaccines cause a similar reduction in these cancers. Moderna's goal with this trial was to show their tailored vaccine outperformed a COVID vaccine (for example), and my assumption from the stock dip is that smarter people than I were not convinced.

https://www.nature.com/articles/s41586-025-09655-y

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