A federal judge has blocked the proposed $20 billion merger between Kroger and Albertsons, raising concerns about competition. The FTC argued that the merger would hurt consumers by lowering competition and driving up prices. Kroger and Albertsons claimed they needed the merger to better compete with major players like Walmart and Amazon, but the judge ruled in favor of the FTC. Following this, Albertsons filed a lawsuit against Kroger for billions, alleging a breach of contract and claiming Kroger failed to adequately secure regulatory approval. This ruling leaves Albertsons' future in limbo and could potentially pave the way for even more dominance by Walmart and Amazon in the market.