Los Angeles - The Los Angeles Times Media Group (NYSE: TRB) announced on Tuesday that it has taken a small equity stake in Mixx, a social news website whose user-driven news article, photo and video rankings will be integrated at LATimes.com.

San Mateo, Calif. - Aggregate Knowledge, a provider of personalized recommendations for content publishers and online retailers, announced on Wednesday that it has added $20 million to its second round of venture capital financing, from DAG Ventures and Kleiner Perkins Caufield & Byers.