Shares of F5 Network (NASDAQ: FFIV) were plummeting today, down 13% as of 12:35 p.m. ET. The company, which makes both hardware and software that houses, governs, protects and deploys business software applications, issued light guidance for the rest of the year, even as last quarter's revenue met and earnings per share beat expectations. In the fiscal second quarter of 2022, which ended March 31, F5's total revenue was down 2%, but there was a big difference between its segments.