
Group 1 - Greenbrier Companies (GBX) has recently reached a key level of support and has overtaken the 200-day moving average, indicating a long-term bullish trend [1] - GBX shares have increased by 20% over the past four weeks, and the company holds a Zacks Rank 2 (Buy), suggesting potential for continued growth [2] - Positive earnings estimate revisions for GBX further strengthen the bullish outlook, with no estimates decreasing in the past two months and one estimate increasing [3] Group 2 - The 200-day simple moving average is a useful tool for determining long-term market trends and serves as a support or resistance level [2] - The combination of positive earnings estimate revisions and technical indicators positions GBX as a stock to watch for potential gains [3]