Republican U.S. Senate candidate Geoff Diehl raised more than $367,000 from donors in the last fundraising quarter, the most of any GOP candidate in the race, new reports show.Diehl's report also showed his campaign is spending nearly the same amount - $345,367 - leaving him with more than $281,000 in the bank as of the end of September.While Diehl did raise the most from GOP donors, another candidate, John Kingston, contributed $3 million of his own money toward his campaign, leaving him with the most cash in the bank.