On February 6, 2014, Google did their third refresh to the Page Layout algorithm.

I am happy to report that some webmasters who were initially hit by either the first or second implementations of the Page Layout algorithm have reported recoveries on February 6th.

The ongoing WebmasterWorld thread has a couple stories, here is one:

Of course, with any stories or recovery examples, we do not have access to their raw data, so we are taking their word for it.

And of course, with any recovery story, there are many stories of sites that were penalized by Google with this update.

Forum discussion at WebmasterWorld.