The short version: Someone with access to a great many CLAM-seeded addresses has been digging up a lot of new CLAMs and releasing them into the market. The sudden flood of CLAMs has pushed the price of CLAM very low. People are now debating what, if anything, to do about this.

See Doog's chart below for a visual representation of what is happening. The appearance of the "whale digger" is the cause of concern.