Shares of Mairs & Power Minnesota Municipal Bond ETF (NYSEARCA:MINN – Get Rating) dropped 0.3% during mid-day trading on Monday . The company traded as low as $21.55 and last traded at $21.57. Approximately 2,400 shares changed hands during mid-day trading, a decline of 75% from the average daily volume of 9,420 shares. The stock […]