There’s been no shortage of market-defining action in the first three months of 2013. The rapid run-up in global stocks defies the plodding pace of economic growth, especially in the U.S. and Europe. Washington politicos beat back the initial threat posed by the fiscal cliff, but that story continues to unfold. YRC Worldwide, the third-largest U.S. less-than-truckload operator, reported its first full-year operating profit in six years, just 18 months after its very survival was in doubt. And ocean carriers and their customers began service contract negotiations with a supply-demand gap that has been stubbornly difficult to close. Those are just some of the story lines in the first quarter of the year that revealed supply chain winners and losers. Here are eight more.