check out the companies making headlines before the bell darden restaurants dri the olive garden parent reported earnings of 176 per share higher than the 164pershare forecast the restaurant company also reported samestore sales that rose 475 topping estimates shares rose 3 in premarket trading blackberry bb the company reported betterthanexpected quarterly earnings with an adjusted gross margin of 65 blackberry reported a loss of 6 cents per share compared with the expected loss of 7 cents per share according to refinitiv revenue came in at 175 million topping estimates of 164 million shares rose more than 7 premarket salesforce crm the software company raised its fullyear 2022 revenue guidance to between 2625 billion and 2635 billion this is higher than the companys previous estimate of revenue between 262 billion and 263 billion analysts expected 2631 billion shares rose 2 in premarket trading kb home kbh shares of the homebuilder rose in premarket trading despite missing top and bottomline estimates kb home reported quarterly earnings of 160 on revenue of 147 billion wall street expected earnings of 162 per share on revenue of 157 billion according to refinitiv joby aviation joby morgan stanley initiated coverage of the air taxi startup with an overweight rating saying in a note to clients on thursday that investors should take a look at a stock with major potential upside shares of joby aviation popped more than 5 in extended trading biogen biib the drugmakers stock rose in premarket trading after needham initiated coverage of the stock with a buy rating saying in a note to clients on wednesday that the companys controversial alzheimers drug aduhelm will be a big seller for the company long term roku roku shares of the streaming company rose 2 in premarket trading after guggenheim upgraded the stocks to buy from neutral the wall street firm assigned roku a 12month price target of 395 implying a 22 oneyear return sofi sofi shares of the fintech company rose in premarket trading after gaining 11 during the regular session on wednesday sofi is the 6th mostmentioned stock on reddits wallstreetbets according to quiver quant accenture acn accenture shares rose in extended trading after reporting betterthanexpected earnings the company also increased its dividend and buyback authorization