Sign with logo on facade of Rivian location, Walnut Creek, California, August 25, 2025. (Photo by Smith Collection/Gado/Getty Images)Gado via Getty ImagesRivian Automotive (RIVN) stock has dropped by 24.0% in under a month, falling from $22.45 on December 19, 2025, to$17.06 now. Is this dip a buying opportunity?Buying on dips is a credible strategy for quality stocks with a proven record of bouncing back from declines. Interestingly, RIVN stock meets basic quality criteria. However, the unfortunate news is ...