Foreign direct investment creates jobs. It raises employment, which is particularly positive for developing countries. For example, there are a lot of companies investing in the US, which stimulates job creation. Once jobs and infrastructure are set up, it increases the ability to save therefore hopefully will get people out of the poverty trap in developing countries.

link to graph: http://dailysignal.com/2011/08/17/foreign-investment-creates-jobs-in-the-united-states/