Arena Pharmaceuticals, Inc. is a risky bet given it's low Altman Z-score. Companies with a low Altman Z-score have a higher chance of going bankrupt within the next 2 years. Arena Pharmaceuticals, Inc. is not a good value stock. Arena Pharmaceuticals, Inc. is not a good growth stock. Arena Pharmaceuticals, Inc. is not very popular among insiders. Arena Pharmaceuticals, Inc. is a good stock to invest in, but there are better stocks to choose.