A mazon , which has been under increasing pressure to tackle counterfeit products, said in its second-annual report that it prevented 4 billion bad listings from making it onto its site and got rid of more than 3 million phony products last year. The results, released yesterday, were mixed compared with 2020, when Amazon blocked 10 billion listings and got rid of 2 million phony products. The Seattle-based e-commerce juggernaut also saw a decrease in complaints of intellectual property infringement in 2021 while growing the number of active brands on its site. According to the report, Amazon stopped more than…