In a portfolio packed with volatility hedges and tactical trades, this quiet bond move says more about risk management than return chasing.Texas-based Coppell Advisory Solutions increased its stake in the First Trust Enhanced Short Maturity ETF (FTSM +0.01%) by 103,077 shares, contributing to a net position change of $6.21 million, according to a November 13 SEC filing.What HappenedCoppell Advisory Solutions disclosed in a November 13 SEC filing that it increased its position in the First Trust Enhanced Sho ...