StockStory flags MRCY, NNBR and VTRS as weaker unprofitable stock picks

StockStory said on May 14, 2026, that Mercury Systems (NASDAQ: MRCY), NN Inc. (NASDAQ: NNBR) and Viatris (NASDAQ: VTRS) fall short of its investment criteria, citing profitability concerns, valuation and weaker business outlooks. Mercury Systems, a defense electronics supplier, was cited with a trailing 12-month GAAP operating margin of 1% and a share price of $90.33, equal to 64.9 times forward earnings. NN, which supplies engineered components to automotive, aerospace, medical and industrial markets, was listed with a negative 6.6% trailing 12-month GAAP operating margin and a $2.81 share price, or 30.7 times forward earnings. Viatris, formed from the 2020 combination of Mylan and Pfizer’s Upjohn business, was cited with a 1% trailing 12-month GAAP operating margin. Its shares were priced at $16.98, implying a 1.4 times forward price-to-sales ratio.