The latest trading session saw Blue Bird (BLBD) ending at $49.58, denoting a -1.76% adjustment from its last day's close. This move lagged the S&P 500's daily gain of 0.55%. On the other hand, the Dow registered a gain of 0.62%, and the technology-centric Nasdaq increased by 0.63%.Heading into today, shares of the school bus maker had lost 11.52% over the past month, lagging the Auto-Tires-Trucks sector's gain of 15.81% and the S&P 500's gain of 4.28% in that time.Market participants will be closely followi ...