As mobile operators invest in dense networks, a mass of devices from M2M to wearables, and applications that harness location and presence, they will need to make sense of all the data produced by this mass of equipment. There is, therefore, rising interest in big data analytics platforms and services, adapted for the needs of carriers. One of the companies in the forefront of this effort, API developer Apigee, has raised a further $60m in funding to help boost its big data platform. The company has raised $171m to date and has attracted new investors Pine River Capital Management and Wellington Management Company, alongside existing backers Norwest Venture Partners, Bay Partners, Third Point, SAP Ventures, and funds managed by BlackRock,…