Moderna’s Shares Plummet After Cancer-Vaccine Data Shared on Social Media
Published . Updated .
This report does not map to a usual set of affected companies.
Directly affected
- MRNA Moderna+38.3%
Named in this report.
Indirectly affected
- No related companies are mapped for this report yet.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| MRNA | -3.86% | -7.75% | base | -17.50% | -18.09% | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
Think this story will push the stock up or down over the next three trading days? Make a free call and see what other readers think. Points are play money with no cash value.
Moderna’s Shares Plummet After Cancer-Vaccine Data Shared on Social Media WSJ
Source: The Wall Street Journal
This story
| Company | When | Move | Status |
|---|---|---|---|
| GLD | that day | -2.61% | final price |
| GLD | the next day | -3.07% | still updating |
| GLD | three days earlier | +0.18% | final price |
| GLD | five days earlier | +0.98% | final price |
| MRNA | that day | -17.50% | final price |
| MRNA | the next day | -18.09% | still updating |
| MRNA | three days earlier | -7.75% | final price |
| MRNA | five days earlier | -3.86% | final price |
| QQQ | that day | -2.85% | final price |
| QQQ | three days earlier | -0.96% | final price |
| QQQ | five days earlier | +0.41% | final price |
| SPY | that day | -1.18% | final price |
| SPY | the next day | -1.70% | still updating |
| SPY | three days earlier | -0.84% | final price |
| SPY | five days earlier | -0.18% | final price |
| TLT | that day | +1.86% | final price |
| TLT | three days earlier | -0.97% | final price |
| TLT | five days earlier | -0.31% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Maria Elvira Salazar sold Moderna (MRNA), worth $1,001 - $15,000 on 24 Sep 2026. That is 28 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Moderna (MRNA) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 48 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Moderna (MRNA), worth $1,001 - $15,000 on 28 Aug 2026. That is 55 days before publication. Filed 8 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
This story
12 out of 100Price not final
“Moderna’s Shares Plummet After Cancer-Vaccine Data Shared on Social Media” scores 12 out of 100. The score uses 1 sources. The price is not final yet.