Cathie Wood’s ARK Invest recently made some changes to its portfolio. They added Amazon and BWX Technologies, while cutting Oklo. This move shows that ARK is actively managing its investments to stay ahead in the market. Amazon is a well-known e-commerce giant, while BWX Technologies is a leading supplier in the nuclear industry. Oklo, on the other hand, was removed from the portfolio for reasons that have not been disclosed. Overall, these changes demonstrate ARK’s strategy of staying agile and making adjustments to its holdings as needed.