check out the companies making headlines before the bell constellation brands stz – the maker of beer and wine reported adjusted quarterly earnings of 238 per share missing the 277 consensus estimate although revenue did beat wall street forecasts and constellation increased its fullyear earnings outlook shares fell 22 in the premarket acuity brands ayi – the maker of lighting and building management systems reported an adjusted quarterly profit of 327 per share beating the consensus estimate of 285 with revenue topping forecasts as well the earnings beat came amid what the company terms a challenging environment that included higher labor materials and freight costs palantir technologies pltr – palantir surged 81 in the premarket following news that it won an 823 million army contract to provide its gotham platform an operating system designed to optimize defense decisionmaking norwegian cruise line nclh – norwegian ceo frank del rio told cnbcs closing bell that the company would have its full fleet in operation by april for the first time since the pandemic began he said 75 of ships should be sailing by the end of this year norwegian shares fell 17 in premarket trading seagate technology stx – the disk drive makers shares slid 33 in the premarket after morgan stanley downgraded the stock to equal weight from overweight citing deteriorating industry data including rising inventory levels and a drop in corporate spending plans general motors gm – the automakers shares will be on watch today as gm holds its investor day set to highlight its plans for electric vehicle growth southwest gas swx – southwest gas struck a deal to buy questar pipelines from dominion energy d for 1975 billion in cash and assumed debt investor carl icahn who holds a 49 stake in southwest gas had sent a letter to the company objecting to such a deal when reports of it first surfaced earlier this week icahn said the deal would be a huge mistake and diminish shareholder value southwest gas fell 17 in premarket action facebook fb – facebook ceo mark zuckerberg responded to accusations from whistleblower frances haugen saying the company does not prioritize profits over safety zuckerberg published a blog post addressing the accusations following haugens testimony before a senate panel tuesday shares shed 13 in the premarket manchester united manu – manchester united announced a 95 million share offering by the glazer family which controls the soccer club manchester united will not receive any proceeds from the sale the stock tumbled 94 in premarket action hsbc holdings hsbc – hsbc was upgraded to buy from neutral at ubs which points to an attractive valuation and optimistic 2022 expectations for the banks financial performance the stock added 23 in the premarket