Alcoa Corp. (NYSE:AA), a pivotal supplier in the global aluminum supply chain, is signaling robust potential after a sharp week-on-week surge in its quality ranking, catapulting it firmly into the top 10th percentile of its peers.What Led To The Big Spike In AA’s Quality Score?According to the latest quality percentile report by Benzinga Edge’s Stock Rankings, Alcoa’s score increased from 88.85 to an impressive 91.20, a 2.35-point delta that underscores enhanced operational efficiency and financial health a ...