 PALO ALTO, Calif.--BUSINESS WIRE--Hercules Capital, Inc. NYSE: HTGC Hercules or the Company, the largest and leading specialty financing provider to innovative venture, growth and established stage companies backed by some of the leading and top-tier venture capital and select private equity firms, today announced that Moodys Investors Service, Inc. Moodys has assigned Hercules an investment grade credit and corporate rating of Baa3 with a stable outlook. We are very pleased th 