Kroger and Albertsons could turn to fast-growing and profitable advertising ventures to tackle competition and grow after a failed $25 billion merger between the two supermarket rivals, analysts said.

A federal judge has ruled against Kroger’s $25 billion takeover bid for Albertsons, granting a preliminary injunction blocking the deal. After holding a more than three-week "mini-trial" in August and September,

Albertson's and Kroger will now face each other in court, following the failed merger between the two grocery chains. Albertson's has terminated its planned sale to Kroger, after a federal court blocked the deal.