U.S. Rep. Harry Mitchell posted his biggest fundraising quarter since his first run for Congress, but Republican challenger David Schweikert narrowly topped his cash haul as the two moved into the final stretch of one of the state’s most hotly contested races.

Democratic U.S. Rep. Gabrielle Giffords has raised nearly three times more money, has spent more than twice as much money and has continued to gather contributions at a faster pace than her Republican challenger.

Republican Ben Quayle dwarfed his Democratic opponent in fundraising during the latest reporting period, but Jon Hulburd is nearly even with him in cash on hand.

Many Republicans in highly competitive Senate races are facing a financial disadvantage going into the general election.

Tom Horne and Felecia Rotellini were feeling the financial pinch after their hard-fought primary wins in the attorney general’s race.

U.S. Sen. John McCain is spending money like his political life depends on it, pouring more than $15 million into his primary challenge against J.D. Hayworth.

U.S. Rep. Gabrielle Giffords continues to lead the pack in fundraising in Arizona's 8th Congressional District, raising $591,000 in the second quarter of the year.

Flagstaff dentist Paul Gosar had the best fundraising quarter of Democratic Rep. Ann Kirkpatrick's GOP challengers, but mining lobbyist Sydney Hay made a strong showing despite her late entry into the race.

David Schweikert and Jim Ward led the Republican field in fundraising in the 5th Congressional District, but incumbent Democratic Rep. Harry Mitchell still eclipsed all challengers.

Businessman Steve Moak's latest fundraising report confirms he's a top contender in the 10-way Republican contest for Arizona's 3rd Congressional District.