46. [Conceptual] A US-based medical device firm had a breakthrough late on the night of October 25th! They managed to create a tool that promises to revolutionize tumor excision. The firm expects royalties from the tool to increase firm value by 50%. They plan to announce the product on the morning of October 30th. If the market is strong form efficient, on what day would you expect to see a positive alpha on the firm's stock? A. October 25th B. October 26th C. October 30th D. October 31 st E. None of these