(AP Photo/David Zalubowski, File)HOUSTON – Climbing two spots, Amazon is the nation’s top grocery store, according to a recent report by Dunnhumby, a global consumer science company. The e-commerce giant beat out Texas-based H-E-B, who came in second, followed by Trader Joe’s in third. Amazon’s success is attributed to the company’s ability to be “best positioned for momentum during the pandemic and long-term success for the future,” per the report. The study credit Amazon’s ability to be safe and fast amid the COVID-19 pandemic as keys to growth and stability. “The distance between Amazon and the second-place retailer on COVID Momentum and safety is much wider than the distance between second place and the rest of the pack.”