The stock price drop is thought to be due in part to a decline of interest in Facebook games.
The news came from a report published by an analyst at Cowen & Co Tuesday morning that claims the market for Facebook games has hit a “negative inflation point.” Cowen says gamers are turning to smartphone apps, rather than playing via Facebook.
Zynga has a strong mobile presence, with apps such as Draw Something and Words With Friends. However, its core business is still in Facebook games such as Farmville.
Nasdaq issued an alert a little before 10 a.m. Tuesday that the stock had tripped a "circuit breaker" which prohibits short sales (that is, betting against a stock). That ban will remain in effect until Wednesday.
Zynga officially went public in December of last year with a stock price of $10. Shares were down to $4.93 Tuesday afternoon. Zynga trading was also halted on May 18, after Facebook's less-than-stellar IPO performance led investors to dump stock of the company.
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