Explainer-How Tesla weathered global supply chain issues that knocked rivals

FILE PHOTO: Tesla's China-made Model 3 vehicles are seen during a delivery event at its factory in Shanghai, China January 7, 2020. REUTERS/Aly Song

San Francisco (Reuters) -Tesla Inc's ability to design components in-house gave the automaker agility in making tweaks to parts and coping with supply chain issues that hit other automakers much harder, sources and experts said.

Tesla boosted its deliveries by 87% to a record high in 2021, pushing its shares up over 13% on Monday.