This little nuclear power company still has a lot to prove.Oklo (OKLO 15.68%), a producer of microreactors for nuclear plants, went public by merging with a special purpose acquisition company (SPAC) in May 2024. Its stock opened at $15.50 on the first day, but sank to a record low of$5.59 less than four months later. But today, Oklo's stock trades at about $83 each. A$5,000 investment at its all-time low would be worth more than $74,200 today.Let's see why Oklo's stock soared and if it's still worth buyi ...