1.Ross Dunder, CFA, is the CIO for Bling Trust (BT), an investment advisor. Dunder recently assigned one of his portfolio managers, Joey Chetch, to manage several accounts that primarily invest in thinly traded micro-cap stocks. Dunder soon notices that Chetch places many stock trades for these accounts on the last day of the month, towards the market's close. Dunder finds this trading activity unusual and speaks to Chetch who explains that the trading activity was completed at the client's request. Dunder does not investigate further. Six months later regulatory authorities sanction BT for manipulating micro-cap stock prices at month end in order to boost account values. Did Dunder violate any CFA Institute Standards of Professional Conduct?