Call it CFO Friday.

Three of the nation's top retailers named chief financial officers Friday. After home improvement retailer

Home Depot

announced Friday morning that it was promoting Carol Tome to CFO,

Sears

(S) - Get Report

and

Kmart

(KM)

both announced their appointments of new CFOs around midday.

Kmart, based in Troy, Mich., lured Sears' CFO Jeffrey Boyer, 43, to its side, while Sears named Paul Liska to replace Boyer. Liska, 45, was most recently executive vice president and CFO of

St. Paul Cos.

(SPC)

, a property and casualty insurance company. At Kmart, Boyer will replace retiring CFO Martin Welch, 52.

Before working at Sears, Boyer held senior-level finance positions at

Nutrasweet

,

Quaker Oats

,

Kraft General Foods

and

Pillsbury

. Prior to working at St. Paul, Liska was president and chief executive of

Specialty Foods

.

Both Sears and Kmart are venerable U.S. retail names that have seen their market share diminish in recent years as American consumers began flocking to discount stores like

Wal-Mart

(WMT) - Get Report

and

Target

(TGT) - Get Report

.

Shares in Kmart lately traded at $10.58, down 8 cents. Sears, based in Hoffman Estates, Ill., traded down 27 cents at $36.22.