The latest trading session saw Tenet Healthcare (THC) ending at $134.39, denoting a +0.49% adjustment from its last day's close. The stock lagged the S&P 500's daily gain of 0.55%. Elsewhere, the Dow gained 0.62%, while the tech-heavy Nasdaq added 0.63%.Shares of the hospital operator have depreciated by 4.12% over the course of the past month, underperforming the Medical sector's gain of 0.19% and the S&P 500's gain of 4.28%.The upcoming earnings release of Tenet Healthcare will be of great interest to inv ...