Facebook's public debut was the most anticipated tech IPO since Google went public in August 2004. But the stock has lost much of its value since it began trading in mid-May.
Below is a look at how the stocks of some recently public companies are faring. The companies are all loosely Internet-related, though their businesses vary widely.
— Facebook Inc., social networking company, first day of trading on May 18, 2012
Pricing: $38 per share
First-day's close: $38.23, up 0.6 percent from IPO price
Tuesday's close: $19.50, down 49 percent from IPO price
Trading range since IPO: $17.55 to $45
— Yelp Inc., developer of online games, first day of trading on March 2, 2012
Pricing: $15 per share
First-day's close: $24.58, up 64 percent from IPO price
Tuesday's close: $24, up 60 percent from IPO price
Trading range since IPO: $14.10 to $31.96
— Zynga Inc., developer of online games, first day of trading on Dec. 16, 2011
Pricing: $10 per share
First-day close: $9.50, down 5 percent from IPO price
Tuesday's close: $2.20, down 78 percent from IPO price
Trading range since IPO: $2.21 to $15.91 (before Tuesday)
— Jive Software Inc., creator of tools to run social networks for businesses, first day of trading on Dec. 13, 2011
Pricing: $12 per share
First-day close: $15.05, up 25 percent from IPO price
Tuesday's close: $11.74, down 2 percent from IPO price
Trading range since IPO: $11.20 to $28.15
— Angie's List Inc., consumer-reviews site, first day of trading on Nov. 17, 2011
Pricing: $13 per share
First-day close: $16.26, up 25 percent from IPO price
Tuesday's close: $9.18, down 29 percent from IPO price
Trading range since IPO: $8.94 to $19.82
— Groupon Inc., online deals company, first day of trading on Nov. 4, 2011
Pricing: $20 per share
First-day close: $26.11, up 31 percent from IPO price
Tuesday's close: $4.48, down 78 percent from IPO price.
Trading range since IPO: $4 to $31.14
— Pandora Media Inc., Internet radio company, first day of trading on June 15, 2011
Pricing: $16 per share
First-day close: $17.42, up 9 percent from IPO price
Tuesday's close: $9.86, down 38 percent from IPO price
Trading range since IPO: $7.83 to $26
— LinkedIn Corp., online professional network, first day of trading on May 19, 2011
Pricing: $45 per share
First-day close: $94.25, more than double IPO price
Tuesday's close: $104.13, more than double IPO price
Trading range since IPO: $55.98 to $125.50