News Summary: Facebook CEO won't sell for 1 year

HOLDING ON: Facebook says its CEO, Mark Zuckerberg, won't sell stock in the company for at least the next 12 months.

THE SIGNIFICANCE: There had been concerns that additional shares could flood the market and depress stock prices further if Zuckerberg sold stock when he is eligible Nov. 14.

OTHER DEVELOPMENTS: Facebook says two board members, Marc Andreessen and Donald Graham, plan to sell shares to cover taxes, but have no "present intention" to sell any additional stock.