NASDAQ Stocks Hitting 52-Week Highs (AHGP, ASYS, COST, SVNT)

Alliance Holdings GP LP AHGP shares jumped 0.53% to create a new 52-week high of $43.57. AHGP's quarterly earnings surged 79.80% y/y. Amtech Systems Inc ASYS shares gained 8.31% to touch a new 52-week high of $17.34. ASYS was added to the Ardour Global Alternative Energy Index. Costco Wholesale Corporation COST shares jumped 0.35% to create a new 52-week high of $62.55. Analysts at Stifel Nicolaus upgraded COST from “hold” to “buy.” Savient Pharmaceuticals Inc SVNT shares reached $22.74 to create a new 52-week high, before falling to $22.69, representing a 3.84% gain. SVNT drug, Krystexxa, was approved by the Food and Drug Administration. Read more from Benzinga's Markets.