原 TD account 搬到 Schwab 后不能新购买 Mutual Funds, CD,非美ETF 以及 ADR再投资
When your account ending in XXXX transitions to Schwab, all the securities
you currently hold will move to Schwab. However, once your transition to
Schwab has been completed, you will no longer be able to purchase additional
shares of certain types of securities including Mutual Funds, Certificate of
Deposit (CD's), non-US Exchange Traded Funds (ETFs), and American Depositary
Receipt (ADR) DRIPs. Dividend reinvest on ADR DRIPs are not permitted.