The latest trading session saw Patterson Cos. (PDCO) ending at $30.05, denoting a +0.07% adjustment from its last day's close. This move lagged the S&P 500's daily gain of 0.76%. Meanwhile, the Dow gained 0.59%, and the Nasdaq, a tech-heavy index, added 1.12%. Heading into today, shares of the medical supplies maker had gained 5.55% over the past month, outpacing the Medical sector's gain of 1.57% and the S&P 500's gain of 2.5% in that time. The upcoming earnings release of Patterson Cos. will be of great i ...