NEW YORK -- OfficeMax ( OMX) and Office Depot ( ODP - Get Report) are in advanced talks to merge, people familiar with the matter told The Wall Street Journal.

The deal is expected to be stock-for-stock, though precise terms couldn't be learned, the newspaper said.

A deal isn't done yet, and talks could still fall apart. But an announcement could come as early as this week, the people told the Journal.

Both retailers have been hurt by a weak economy and stiffer competition from companies such as Staples ( SPLS) and ( AMZN).

Dell ( DELL), the personal computer maker, is expected by Wall Street Tuesday to post fourth-quarter earnings of 39 cents a share on revenue of $14.12 billion.

Dell reached a deal earlier this month to go private in a $24.4 billion deal.

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Herbalife ( HLF - Get Report), at the center of a public fight between Carl Icahn and Bill Ackman, is expected to post fourth-quarter earnings Tuesday of $1.03 a share on revenue of $1.05 billion.

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Medtronic ( MDT - Get Report) is expected by analysts to post fiscal third-quarter profit of 91 cents a share on revenue of $4.03 billion.

Nabors Industries ( NBR - Get Report) is projected to report Tuesday fourth-quarter earnings of 29 cents a share.

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-- Written by Joseph Woelfel

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