Also

* Philanthropist Alberto Vilar pleaded not guilty to new charges of conspiracy and wire fraud in an alleged $5-million scam against an investor.

* Record companies sued 765 people for alleged Internet piracy and said they would expand their pursuit of illegal file sharers in the wake of last month’s Supreme Court ruling against file-sharing networks.

* Yahoo Inc. said it named Prabhakar Raghavan, a former IBM Corp. researcher, to head Yahoo Research.

* Workers at the San Francisco Chronicle voted to approve a new contract with Hearst Corp. that union leaders said would be “terrible” for many workers.