Facebook's beleaguered stock has lost more than half of its value since its initial public offering three months ago. Facebook Inc. hit a new low of $18.75 before bouncing back to $19.01 - down 4 cents - in morning trading Monday. The social networking icon's much-anticipated IPO turned sour amid technical problems on the NASDAQ stock market and high expectations. The stock has not surpassed its $38 IPO price since its first trading day.