(Image source: armays.com) Shares of Safeway Inc. (NYSE:SWY) are advancing this morning on news that the grocery chain is attempting to sell itself. No suitors have been revealed yet. The company also cautioned that discussions are ongoing, but a possible sale is not guaranteed. Safeway has a roster of 1,335 stores in the U.S. On the other hand, the company reported 4Q earnings of 53 cents a share on revenues of $11.3 billion yesterday, which topped consensus by 5 cents.