NuScale investors must wait five more years for profits. Risks could arrive sooner than that.NuScale Power (SMR +13.97%) stock, a start-up manufacturer of small modular (nuclear) power reactors, surged 12.9% through 12:40 p.m. ET Friday -- apparently on no good news at all.Actually, the opposite: Reports today say a technical fault at the Olkiluoto Nuclear Power Plant in Finland caused one of the site's three units, "OL2," to shut down temporarily today. Traditional nuclear versus SMRIs this bad news for n ...