Public Appearances and Research Objectivity Standards

Mark is a financial analyst who regularly makes public appearances to discuss his firm's investment strategies. During a recent conference, he presented a forecast on the stock market, highlighting the potential growth sectors based on his research. After the presentation, during a Q&A session, a participant inquired whether Mark's firm had any existing positions in the sectors discussed. Mark disclosed that they did hold substantial positions in one of the sectors, but claimed his analysis was still unbiased. Which of the following actions should Mark take to align with the Research Objectivity Standards regarding public appearances?