Xinhua News Media Holdings Ltd. said Monday it is seeking to raise up to 42.9 million Hong Kong dollars via a share placement and will use the net proceeds for general working capital. Macau Legend Development Ltd., which operates casino and hotels, said Monday Laurence Yuen resigned as executive vice president and chief financial officer effective immediately. Salesforce.com Inc. said it would embed artificial intelligence technology into its software for salespeople, making it the latest in a gaggle of companies racing to enhance workplace tools with human-like abilities. The company will demonstrate the new software at its annual user conference next month in San Francisco. Newcrest Mining Ltd. said it has agreed to sell its 50% stake in a Papua New Guinea gold operation to partner Harmony Gold Mining Co. Ltd. .