Will Vertex buy Crispr?

Could you please elaborate on the possibility of Vertex acquiring Crispr? Are there any specific rumors or indications that point towards such a merger or acquisition? What factors would influence Vertex's decision to buy Crispr, if any? How would such a deal impact both companies' market positions, financial performance, and future strategies? Additionally, what are the potential challenges and risks associated with such a transaction, and how might Vertex and Crispr address them?