Shell plc (NYSE:SHEL) is one of the biggest oil companies in the world. It commands an 11.6% share of the global oil market, which provides the firm with a robust supply chain and logistics infrastructure which is key for any oil company and requires decades of investment. Shell plc (NYSE:SHEL)'s dependence on oil also means that it performs well when economic output is high and global economies are growing. Consequently, while the American growth engine continues to tick, slowness in Europe and China could create headwinds for the company.