Streaming company Roku disclosed Friday that it had $487 million parked in now-failed Silicon Valley Bank— that's 26% of the company's cash.  A spokesperson for Roku told Insider by email, "As stated in our 8-K, we expect that Roku's ability to operate and meet its contractual obligations will not be impacted and we continue to have access to $1.  A spokesperson for Roku told Insider by email, "As stated in our 8-K, we expect that Roku's ability to operate and meet its contractual obligations will not be impacted and we continue to have access to $1