Cantor Fitzgerald analyst Steven Halper lowered his price target for Tivity Health (TVTY) to $40 saying the company's preliminary 2019 guidance reflects a greater than expected impact from the loss of UnitedHealth Group lives. Although it is probably safe to assume that UnitedHealth (UNH) will move the remaining states in 2020, Tivity Health maintains that investments to drive enrollment and utilization are contributing positively, Halper tells investors in a post-earnings research note. Although the Nutrisystem (NTRI) guidance was also "disappointing," the analyst still believes the transaction makes sense strategically and financially. He keeps an Overweight rating on Tivity Health.