Mannatech, Incorporated (NASDAQ: MTEX) announced financial results for its third quarter of 2018. Net sales were $43.0 million, an increase of $1.0 million, or 2.4 percent, as compared to $42.0 million in the third quarter of 2017. For the three-month period ended September 30, 2018, net sales increased 2.9 percent on a constant dollar basis as compared to the same period in […]