Shifting allocation from short-term funding to long-term funding sources is a strategic move that can actually enhance a financial institution's liquidity position. Short-term funding sources, while readily available, can be volatile and subject to sudden changes in the market. On the other hand, long-term funding sources provide a more stable and reliable stream of capital. By shifting the allocation towards long-term funding, the institution can ensure a steady flow of funds over a longer period, thereby reducing the risk of liquidity stress. This strategy also allows the institution to better manage its cash flow and meet its financial obligations in a timely manner. Therefore, this action does not have a negative liquidity impact on the financial institution, but rather, it strengthens its liquidity position.

Choice A is incorrect. The presence of predatory trade can indeed pose a negative impact on a bank's liquidity. Predatory trading practices, such as front running or pump and dump schemes, can lead to significant financial losses for the bank and thereby reduce its available liquid assets.

Choice B is incorrect. The unavailability of the Federal Home Loan Bank Funding could also negatively affect a bank's liquidity. This funding source provides banks with access to secured loans which they can use to meet their short-term liquidity needs. If this source becomes unavailable, it could put strain on the bank's liquidity position.

Choice D is incorrect. Exceeding the intraday debit cap with Fedwire could also have negative implications for a bank's liquidity position. Fedwire is a real-time gross settlement system of central bank money used by Federal Reserve Banks to transfer funds electronically between member institutions. If a bank exceeds its intraday debit cap, it may face penalties or restrictions that could hinder its ability to manage its daily cash flows effectively.