Blue Bird (BLBD) closed the most recent trading day at $40.80, moving -1.14% from the previous trading session. This change lagged the S&P 500's daily loss of 1.13%. Meanwhile, the Dow lost 1.79%, and the Nasdaq, a tech-heavy index, lost 1.3%. Coming into today, shares of the school bus maker had gained 2.25% in the past month. In that same time, the Auto-Tires-Trucks sector lost 1.16%, while the S&P 500 gained 3.55%. Investors will be eagerly watching for the performance of Blue Bird in its upcoming earnin ...