Fannie Mae-No Politics (FNMA)

[Here I am]

The impact post that prompted the reversal was posted in Yahoo's board by Black:

Calabria told us a big lie. A way to cool down the share price that was ticking up due to the expectation of a "en banc" decision and Treasury plan announcement. The plan is the White House's plan that will be unveiled very soon, required by the 5th circuit court.

Gasparino's tweet can't prompt a rally because it isn't good news for the Common Stocks, it talks about multiple stock offerings during an extended Conservatorship.
Both were posted at the same time.