Milestone Scientific Inc. (NYSE:MLSS) shares surged 35.67% in after-hours trading on Thursday, rising to $0.52. The medical device firm reported its third-quarter results showing lower costs and improved losses.Check out the current price of MLSS stock here.The stock closed 6.03% higher at $0.38 on Thursday, according to Benzinga Pro data.Cost Reduction Drives Improved MarginsThe New Jersey-based biomedical technology firm reduced its operating expenses by more than $500,000 in the third quarter compared wi ...