Big news! It seems that he has identified the bottom and is confident that a recovery is under way. Berkshire now has a bitcoin department which is why the price pumped this past week. Go get some!
*EDIT (10.30pm 1 April 2019)*
Happy April fools! jajaja

Although this time next year it might actually be true

Well you can't teach an old trick, it's not going to happen, he will not throw his reputation to the window just like that, even if he wants to invest he will not announce it and will do it privately, there's a possibility that it's going to happen, because even big companies like Facebook are converting to cryptocurrency.