Grocery store chain Kroger (NYSE: KR) knocked it out of the park last quarter ... relatively speaking. While same-store sales growth of 6.2% year over year isn't exactly earth-shattering, it's huge by the grocery industry's standards. Q4's adjusted per-share earnings of $0.99 also easily topped the consensus estimate of $0.90 per share, as did Kroger's profit guidance for the fiscal year now underway.

The real shining star of this company's fourth quarter, however, is hiding in plain sight. During the three-month stretch ending in January, Kroger's private label brands led the charge with 10.1% year-over-year revenue growth.

That's a big deal, even if nobody's talking about it.

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Source Fool.com