Siebel revenue better than expectedBusiness software maker Siebel Systems, which is slated to be bought by Oracle, on Thursday, said fourth-quarter revenue beat expectations, helped by strength across all of its segments. The company's preliminary fourth-quarter revenue rose 20 percent to $469 million from $392 million a year ago. The company expected to post $340 million to $360 million in revenue. The average Wall Street estimate was $363 million, as compiled by Reuters Estimates.