Yahoo! ( YHOO) is trending as it has added a new Notifications feature on its Web site. The feature, which is now active, alerts users when others comment on their activity. Similar to Facebook's Notifications, a small bell icon will appear at the top of the Yahoo! page when a user has an alert. Users can click on the icon to see which friends have commented on their activity or given their activity a thumbs-up. If the user has set personal alerts related to stock moves, those can also be seen in Notifications. In September, Yahoo! announced that it was partnering with Facebook in an agreement that would let Yahoo! articles that users read be integrated on their Facebook pages so that fellow users can comment on them. Now, Yahoo! and Facebook are expanding that agreement to 26 additional global Yahoo! sites. Yahoo! also plans to introduce Conversations, a feature that will let users form private groups, in January. Partnership with Twitter is also expected to be on the way.
Motorola Mobility ( MMI) is another popular search. Microsoft ( MSFT) won a ruling that Motorola Mobility's Android phones currently use its licensed technology without permission.
The chatter on Main Street (a.k.a. Google, Yahoo! and other search sites) is always of interest to investors on Wall Street. Thus, each day, TheStreet compiles the stories that are trending on the Web, and highlights the news that could make stocks move. -- Written by Brittany Umar.