answer this question in a paragraph

Case C Allison is a CFP professional who is a registered representative of a broker- dealer. Allison has provided brokerage services to her Client, Mateo, several times over the past three years. Typically, Mateo wants to purchase a specific stock and asks Allison for her opinion before purchasing the stock. Mateo recently asked Allison what she "thought" about Mateo buying a specific stock he intended to purchase. Allison told Mateo that she has looked into the company and that she likes the stock and believes it is undervalued. Mateo then directed Allison to purchase the stock. Does Allison have a fiduciary duty to Mateo? Why or why not