Marine shipping is one of the most cyclical industries in the market, driven by the fundamental tension between lumpy, long-lead-time fleet supply and volatile freight demand. Ships take years to build and cost hundreds of millions of dollars — once ordered, they arrive regardless of whether demand supports the additional capacity. When fleet supply is tight relative to cargo volumes, freight rates spike dramatically and industry earnings can be exceptional for short periods. When excess capacity floods the market, rates can fall below operating costs and remain there for extended periods. Container shipping, bulk carriers, tankers and LNG carriers each operate in distinct freight markets with different supply-demand dynamics. Charter rates, fleet utilization and order book as a percentage of existing fleet are the key indicators. For investors, shipping is best approached as a cyclical trade where buying into distressed markets with disciplined operators and strong balance sheets generates attractive returns, while owning during peak cycles when capacity is being ordered aggressively typically destroys value.