The author has allocated $250 each into ten specific assets within a Solo-401K, expressing a bullish "buy the dip" sentiment. The investments include NVDA, PLTR, RKLB, HOOD, TSLA, GOOGL, AMD, META, ORCL, and AVGO. The provided portfolio screenshot confirms these positions with entry prices ranging from $57.04 for RKLB to $537.53 for META.