I am surprised this is posted and even upvoted on lesswrong, the format of the post looks like something found on reddit user post .
Someone buys a coin at an extreme low price and got out exactly at top [no rationale explained what so ever on how they did it ] , made money and they want to share the knowledge to the world and now advising in stocks (surprisingly all mainstream)
This is diworsified portfolio! Equities, Tech and Semiconductors concentrated