As the banking sector portends actual problems within the financial system, virtue signaling seems to be falling down the average asset manager's list of priorities...would could have guessed? At least that's what the action in ESGU appears to be showing. The fund, the iShares ESG Aware MSCI USA ETF, is one of the largest and most well known ways for portfolio managers to gain exposure to "ESG" investing via ETF. It looks as though it is first on the list of things to be thrown out the window as asset managers and retail investors scramble…