Palo Alto, Calif. -- Various media outlets, including abcnews.com and The Wall Street Journal reported Tuesday that Internet portal Yahoo! is negotiating an acquisition of Broadcast.com, the Dallas-based online video company behind the Victoria's Secret online fashion show. By purchasing Broadcast.com, Yahoo! would be better positioned to offer rich-media features such as streaming video and film clips. Broadcast.com's shares were up sharply on the news. Yahoo!'s shares declined slightly.