Facebook has made a $3.1 billion business from a social advertising sector many, even it, concede is experimental and unproven. Now it must find that proof. But experimenting on Wall Street, as well as Madison Avenue, could prove challenging.

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Facebook‘s nearly 200-page S-1 filing appears to have crippled the Securities and Exchange Commission’s Edgar website with the mass of people going there to take a peek at the social network’s numbers. That traffic may well be matched by the weight of numbers in the filing itself. Here’s a look…

It took the whole day, but Facebook finally—as many expected—filed its S-1 with the Securities Exchange Commission for its long-awaited IPO. While guesstimates for how much Facebook would try to raise ranged from $5 billion to $10 billion, in the end, it looks like it is the lower of that…

Communism and capitalism are now apparently the same thing in Chinese online media. The People’s Daily newspaper, an organ of the country’s ruling Communist Party, has filed to float its People’s Daily Online website in Shanghai to raise 527 million yuan ($83.4 million).

Is Rovio’s floatation ever going to happen? For some time now, we’ve been reading chatter about an imminent IPO. The latest date is 2013, the latest market is Hong Kong. And, this time, the company itself is making bold on-the-record plans…

Zynga, the social gaming company behind Farmville, Words With Friends and other online games, is preparing to go public on Friday in what could be the biggest initial public offering of a tech firm since Google’s debut.

Facebook games maker Zynga plans to raise $1 billion (£630 million) in its initial public offering, valuing the fledgling internet firm at $7 billion.

There may be hundreds of competitors out there, but Groupon (NSDQ: GRPN) this week has confirmed itself as the biggest daily deals site of them all, not just in terms of users but value, as it raised $700 million in its IPO—the biggest in tech since Google (NSDQ: GOOG)—valuing the…

Beijing-based Chinese portal Baidu (NSDQ: BIDU) had the pleasure of telling the Nasdaq, where its stock is listed, how Q3 net income is up nearly 80 percent to RMB 1.882 billion ($295 million) thanks to 85 percent higher revenue of RMB 4.175 billion ($654.7 million).

Some of China’s biggest online firms are taking a battering on Wall Street, following a report the U.S. Department of Justice is investigating accounting irregularities and may bring charges.

Big news for mobile TV pioneer MobiTV: the company has filed for an IPO worth up to $75 million, as it looks for funds to expand internationally, develop its products and potentially size up acquisitions.

Chinese online video and TV operators are making strategic investments, as the market looks set to explode.

Brightcove doesn’t expect to make a profit until the end of 2012, but is moving in to a huge new office and planning to buy new companies. Its success, however, seems to depend on the diversification it announced back in May and on cutting growing costs.

A war between two of China’s leading web operators is playing out on the Nasdaq through two of its main video sites. Tudou, which raised $174 million when it floated in New York last week, has now seen about four percent of its equity bought by the Sina (NSDQ: SINA)…

The challenges and opportunities of online video startup FilmOn continue apace. The internet-based premium video provider FilmOn, fresh from dropping a lawsuit against CNET, has now been re-listed on the Frankfurt stock exchange, trading under the ticker FMX. It delisted from the exchange back in 2009.

Chinese video site Tudou is following its rival Youkou to the Nasdaq, expecting to price its “TUDO” shares between $28 and $30, according to its SEC filing.

Wall Street analysts expect Google (NSDQ: GOOG) to deliver solid earnings results Thursday afternoon, but investors who have seen the company’s stock fall 10 percent this year will want more, particularly status reports on the company’s mobile, social, and local efforts. They’ll be keen to hear from co-founder Larry Page,…

One of these days, Guardian Media Group hopes to sell Trader Media Group and Emap, both of which it jointly owns with Apax, to reap a windfall to swell cash reserves. But is Trader Media Group too big to sell… ?