Nielsen will cut up to 3,500 jobs as part of a restructuring of its businesses to save money and focus on its core holdings. The data company and TV ratings provider says the moves are part of a “broad-based optimization plan” to cut costs and make the remaining assets more efficient, as well as making Nielsen more profitable. Under the plan, Nielsen will “exit several smaller, underperforming markets and non-core businesses” in the next few months. The optimization plan includes cuts of 3,500 staff worldwide — about 8 percent of the company’s employees. “Across Nielsen Global Media and Nielsen Global Connect, we are making progress on increasing our operational and financial discipline, including zero-basing our cost structure as we move toward the plan...