Big givers drive super PAC fundraising

By the end of September, super PACs had raised $1.5 billion and had spent $791.5 million on ads and other forms of voter outreach. Including expenditures through Nov. 1, super PACs had spent a total of $968 million.

The top 50 donors have together supplied $571.1 million—37 percent of the money raised to date.

[GOP donors, fearful of Trump-fueled electoral rout, direct big money down-ballot]