【期货热点追踪】美豆期货四连跌，需求疲软与全球竞争加剧，USDA月度报告能否扭转乾坤？巴西大豆出口减少，全球供需平衡是否面临新挑战？

Core Insights - U.S. soybean futures have experienced four consecutive declines due to weak demand and increased global competition [1] - The upcoming USDA monthly report is anticipated to potentially reverse the current downward trend [1] - Brazil's soybean exports have decreased, raising concerns about global supply and demand balance [1]