Also

* Former Hewlett-Packard Co. Chairwoman Patricia C. Dunn, charged with felonies for her role in the HP spying scandal and battling ovarian cancer, has stepped down from her position as nonexecutive vice chairwoman of Barclays Global Investors, the company said.

* Harrah’s Entertainment Inc. and partner Keppel Land Ltd. scrapped a joint proposal to build and operate Singapore’s second casino-resort, leaving three bidders for the project.

* Japan’s Hitachi Ltd. said it planned to recall about 16,000 laptop battery packs made by Sony Corp., a company spokesman said, the latest in a massive global recall of the batteries that can overheat and catch fire.