Finisar to benefit from improving carrier spending, says Piper Jaffray Piper Jaffray says recent commentary from Juniper (JNPR) and Ciena (CIEN) indicate that carrier spending trends are improving, which it feels could provide upside to its longer-term estimates for Finisar (FNSR). Piper keeps an Overweight rating on shares of Finisar into the company's Q4 results on June 19.