Online Advertising, Quarterly Earnings | featured news

Microsoft said Thursday that an accounting adjustment to reflect a weak online ad business led to its first quarterly loss in its 26 years as a public company. The software company had warned that it was taking a $6.2 billion charge because its 2007 purchase of online ad service aQuantive hasn't yielded the returns envisioned by management. The non-cash adjustment is something companies do when the value of their assets decline. Microsoft Corp. paid $6.3 billion for aQuantive, only to see rival Google Inc. expand its share of the online ad market.

An advertising industry group says revenue from Internet advertising in the U.S. hit $8.4 billion in the first three months of the year. That's the highest for the first quarter, up 15 percent from $7.3 billion in the same period last year.

Shares of online marketing services provider ValueClick are taking a beating after hours Wednesday following the company's Q1 financial report. ValueClick posted revenue of $152.9 million, up 31% from a year ago, but below the Street consensus at $157.8 million. Guidance had been for $155 million to $160 million.

Chinese search engine Baidu reports an 80% surge in profits for the third quarter, boosted by increased advertising sales.

Google’s core business, search advertising, seems so far to have weathered the economic doldrums that have hurt other sites and publications relying on ads.