The FDA rejects Arena Pharmaceuticals' (ARNA) weight-loss drug lorcaserin. The decision is far...

|About: Arena Pharmaceuticals, Inc. (ARNA)|By:, SA News Editor

The FDA rejects Arena Pharmaceuticals' (ARNA) weight-loss drug lorcaserin. The decision is far from a surprise, but shares will likely take a beating on Monday as lorcaserin would have been Arena's first commercialized product.