Key Investment Services, LLC, Next Financial Group, Inc., Stephens Inc., Bankers & Investors Co., and J.J.B. Hilliard, W.L. Lyons LLC were all recently censured and fined by Financial Industry Regulatory Authority (FINRA) for failing to apply sales charge discounts to certain customers’ eligible purchases of unit investment trusts (“UITs”) in violation of FINRA Rule 2010;…