NEW YORK (CNN/Money) - Wall Street pushed the snooze button on Monday after several weeks of following corporate earnings, but a Dow stock added a different kind of flavor into an otherwise tame after-hours session.

After Monday's closing, InterMune (ITMN: Research, Estimates) stock fell after the drug developer said it would sell $150 million in convertible senior notes through a private placement offering.

The Brisbane, Calif.-based company said the notes, due 2011, would be convertible into common stock at a price to be determined.

InterMune shares fell to $18.51 on the INET electronic brokerage system from a close at $19.35 in regular trade on Nasdaq.

But investors would likely pay more attention to a Dow component, which announced plans to raise its quarterly dividend.

3M (MMM: Research, Estimates) said late Monday it plans to raise its dividend 9.1 percent to 36 cents a share, citing a strong balance sheet.

The dividend is payable on March 12 to shareholders of record as of Feb. 20. Dividends paid to 3M shareholders topped $1 billion for the first time in 2003, and 3M expects to pay out another $1 billion in dividends to shareholders in 2004, the diversified manufacturer said.

Separately, May Department Stores (MAY: Research, Estimates) said the chairmen of two of its department store chains would retire June 1, both after 34 years with the company.

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The department store operator said Clarence "Bud" Reynolds, chairman of Lord & Taylor, would be succeeded by Richard Clausing, who is currently senior vice president of finance for Lord & Taylor.

Kenneth Wilkerson, chairman of Hecht's/Strawbridge's, will be succeeded by John Harper, currently senior vice president of finance for that division.

The earnings parade will resume early Tuesday with quarterly results from Blockbuster (BBI: Research, Estimates), Marriott (MAR: Research, Estimates) and Viacom (VIA.B: Research, Estimates), and after the closing bell, investors will hear reports from MetLife (MET: Research, Estimates), Priceline.com (PCLN: Research, Estimates) and Prudential (PRU: Research, Estimates).

Big-name earnings due later this week will include American International Group (AIG: Research, Estimates), Coca-Cola (KO: Research, Estimates), Dell (DELL: Research, Estimates) and Walt Disney Co. (DIS: Research, Estimates).  

-- Reuters contributed to the story