历经两年深度调整，军工板块进入合理配置区间。2017年申万国防军工板块下跌16.65%，再次排名倒数。究其原因，业绩释放受阻：受军改影响订单递延，部分型号定型及列装缓慢；高估值受抑制：市场风格偏好低估值高业绩白马股，军工股作为高估值代表遭受重挫；改革进展不及预期：虽然在院所改制、军民融合方面政策持续，但实质进展不及预期，难以演化出强势行情。经过两年多的深度调整，目前军工板块估值已经跌至近三年低点，具备估值修复基础，18年有估值面机会。

Rail freight transportation is predominantly used for the transportation of bulk commodity items, such as minerals, coal, crude oil, petroleum, natural gas, fertilizers, grains, and forest products. Demand for rail freight services for product exports is mostly confined to grains, coal, and iron ore export. Rail freight transportation is not an option in the case of express delivery as the time frame of shipping may change.

The main purpose of ballast water management systems is to reduce the harmful effects of the introduction of invasive aquatic marine life from one sea area into another through the ballast water discharged from shipping vessels. The International Maritime Organization (IMO) adopted a convention for the control, management, and sedimentation of ballast water on February 2004. After these regulations come into effect on September 8, 2017, it will become mandatory for state authorities all across the globe to formulate and implement their own regulations for ballasting and deballasting operations in ships, which sail into different territorial waters.

2014 年是军工行情最为波澜壮阔的一年，中信国防军工指数上涨近 60%。这一年军工主题基金兴起，公募基金大幅加仓军工股，军工持仓市值从 2013 年底的 310 亿元增至 2014 年底的 604亿元，增幅接近 1 倍，军工股持仓市值占比也从 2013 年底的 2.5%增至 4.1%。

2017 年 12 月 7 日，融通中证军工 B 遭遇下折。截至 2018 年 1月 20 日，前海开源与申万菱信触发下折所需的指数下跌幅度分别为5.07%和 11.13%，其余 4 支分级基金触发下折所需的指数下跌幅度在20%-35%之间。在当前板块整体已出现较大跌幅的情况下，再次出现大幅度下跌的可能性较小；可能面临下折风险的两支基金规模占比合计仅为 27.83%，下折风险整体可控。