CHARLOTTE, N.C. (AP) -- More troubling news erupted from the financial services sector Wednesday as Wachovia, PNC and Bank of America warned of bigger-than-expected writedowns and hinted that fourth quarter results could be a disappointment.

WASHINGTON (AP) -- Manufacturing conglomerate Danaher Corp. on Wednesday backed its fourth-quarter earnings prediction and issued 2008 guidance within the range of analysts' forecasts.

MINNEAPOLIS (AP) -- 3M Co., the maker of Scotch tape, Post-it notes and a variety of products used by the electronics, telecommunications and security industries, said on Wednesday that its 2008 earnings and revenue will grow at least 10 percent.

DELRAY BEACH, Fla. (AP) -- Office Depot's fourth quarter results will likely be dragged down by further deterioration in the housing and credit markets, the nation's second biggest office-supply chain said Wednesday, sending shares tumbling more than 13 percent.

HOUSTON (AP) -- Power provider Dynegy Inc. said Wednesday it anticipates strong results from its generation businesses in 2008 and continues to look for potential combinations or acquisitions.

PALO ALTO, Calif. (AP) -- CPI International Inc., a provider of microwave, radio frequency, power and control products, on Wednesday released 2008 earnings guidance below Wall Street estimates.

NEW YORK (AP) -- Russian oil company OAO Lukoil expects to boost its oil and natural gas output by 5.5 percent next year and is working to refine all its crude oil at home rather than ship it abroad, a senior executive said Wednesday.

BIRMINGHAM, Ala. (AP) -- Oil and gas producer Energen Corp. boosted its 2008 profit forecast Wednesday, citing the minimal impact of some expenses and a strong hedge position.