Merger announcements typically lead to positive investor sentiment as they can result in synergies, expanded market reach, and improved financial performance. AGBA's definitive merger agreement with Triller suggests a strategic move that is likely to be viewed favorably by the market, hence the positive score. The high relevance, importance, and confidence levels reflect the direct impact of this news on AGBA's stock, considering the potential for growth and market expansion that a merger with Triller implies.