According to the CEO of ARC Group, Jason T. Young, sales growth at 3D Material Technologies, one of his company's holdings, and continued investment into 3DMT's proprietary additive manufacturing technology, was key to the manufacturing concern's recent performance. ARC Group Worldwide, Inc. is also poised to complete an underwritten public offering of 3,000,000 shares of the company's common stock. You can read the whole story here: http://3dprint.com/55225/arc-group-stock-sale/