Source: Adobe Adobe is making a $1.9 billion bet that AI-driven discovery is the new battleground for brand visibility. The company is moving to acquire Semrush, aiming to strengthen its edge as search shifts toward LLM-powered recommendations. In its announcement, Adobe said the all-cash deal will bring Semrush’s advanced tools into its marketing stack to help brands stay visible across traditional search and AI-driven channels. Shareholder commitments smooth the way Adobe said its boards and Semrush’s have signed off on the agreement, clearing a major hurdle for the acquisition. The deal is slated to close in the first half of 2026, pending regulatory review and a final shareholder vote. Semrush’s founders and key investors, who control more than 75% of voting power, have already committed their support. Market reaction was swift. Semrush shares jumped 74% for their biggest single-day gain on record, while Adobe slipped about 2% following the announcement. AI search is changing the rules of visibility Adobe said customer behavior is shifting as people rely more on AI systems for recommendations and purchasing …