This nuclear stock is climbing. Here's why.Shares of Oklo (OKLO 3.08%) are rising on Tuesday, up 6.4% as of 2:07 p.m. ET. The move comes as the S&P 500 (^GSPC -0.23%) gained 0.2%, while the Nasdaq Composite (^IXIC -0.78%) lost 0.3%.A string of positive news stories from the past several weeks, including a new buy rating from Canaccord Genuity analysts and the company's selection by the Department of Energy (DOE) to participate in a new pilot program, is lifting shares of the nuclear energy company.A positiv ...