shares of tpi composites inc tpic tumbled 146 toward a 14month low in afternoon trading tuesday after the wind blade maker reported a surprise large loss revenue that came up shy of expectations and lowered its fullyear outlook citing rising input and freight costs uncertainty related to federal legislation and production delays kudos to ubs analyst jon windham who warned investors to sell the stock ahead of earnings for the same reasons the company cited the company reported late monday that it swung to a net loss of 307 million or 83 cents a share from income of 424 million or 113 a share in the yearago period compared with the factset consensus for earnings of 6 cents a share sales grew 12 to 4796 million below the factset consensus of 4814 million while cost of sales jumped 111 to knock gross margin down to 15 from 103 for 2021 the company lowered its sales guidance range to 172 billion to 174 billion from 175 billion to 180 billion and its estimate for average selling price per blade to approximately 165000 from 165000 to 170000 the stock has plunged 497 year to date while the first trust global wind energy etf fan has declined 98 and the sp 500 spx has gained 246