Do all (Upgrades/Downgrades/PT changes) are published in the EXT hours? and why?
%%Yes these notice are usually released outside Regular Trading Hours. Occasionally, there is a screwup and a company will accidentally release the notice during RTH.


I thing I regularly observe is that analyst firms that release up/downgrades are regularly trading in the stocks the night before the up/downgrade is released. You can observe this with the very unusual price/volume action in those stocks the night before.Mainly because an analyst can downgrade post market hours on lousy earnings + outlook+ strangely get credit for the same day call.![]()
%%I thing I regularly observe is that analyst firms that release up/downgrades are regularly trading in the stocks the night before the up/downgrade is released. You can observe this with the very unusual price/volume action in those stocks the night before.

