Valvoline upgraded to Buy at Stifel with $42 price target, citing overblown concerns about oil-driven margin compression.

Valvoline has been upgraded to Buy from Hold by Stifel, with a price target of $42, up from $40. The recent pullback is seen as a compelling entry point as concerns over base oil inflation and gasoline prices are deemed overblown. Valvoline shares rose 2.9% in Monday's trading.