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Vicor Corp
Based on my research, there is no publicly traded company listed on a U.S. stock exchange with the ticker symbol "VICR." It's possible that the company you're thinking of doesn't have a ticker symbol that starts with "VICR" or that they're not listed on a major U.S. stock exchange.
Are you sure of the ticker symbol you provided? If it's possible, could you please provide more details about the company to assist you in finding the right information?