Shares of NuScale Power (SMR 11.06%) are flying today. The stock is up 12.7% as of 1:45 p.m. ET., but gained as much as 14.5% earlier in the day. The upward movement comes as the S&P 500 and the Nasdaq Composite were up 1% and 4%, respectively.NuScale was mentioned in a research report released Thursday by the International Energy Agency (IEA). The report -- bullish on nuclear power at large -- specifically mentioned the model NuScale is betting on as particularly promising.Nuclear is backWhile nuclear powe ...