The drying up of liquidity has bought down firms such as Bear Stearns, an American investment bank, and Northern Rock, a British mortgage lender, with devastating speed in the past year.

ECONOMIST: Freddie Mac and Fannie Mae

So even a dyed-in-the-wool Zynga bear might be forced to consider that the stock may have finally hit rock bottom.

FORBES: Zynga Spikes; Suddenly, Investors See A Raging Bargain