While everyone enjoyed the lazy days of summer, the biotech market in the Bay State was busy, with some more than others.
The Boston Business Journal reported on some of the biggest stock gainers and losers in Massachusetts' biotech industry this summer.
BBJ editor Don Seiffert said large companies such as Biogen Idec and Vertex Pharmaceuticals are among the companies doing well. But large companies aren't the only ones seeing gains.
"Smaller biotechs have also doing well," he said.
Who has been losing? Find out in the above video.