The Federal Trade Commission granted early termination of the Hart-Scott-Rodino waiting period for Adobe’s purchase of Topaz Labs on July 28, and the tape spent July 29 crediting the notice with a 5.7% advance. Shares traded between $247.52 and $266.24 and settled near $261, on 9.84 million shares against a 5.51 million average, the fourth consecutive up session and the highest level in roughly two months. The attribution is at best partial.