Better Home & Finance (BETR) stock gained more than 25% in pre-market trading on Tuesday, adding to Monday's 46% rally after activist investor Eric Jackson calling the company "the Shopify of mortgages." Better Home, which opened for trading at $33.50 on Monday, traded as high as$73 in the wake of Jackson's announcement before giving up some of those gains and settling around $50 at Monday's close. Shares sat around$62 Tuesday morning. Jackson said in the post that his hedge fund, EMJ Capital, has a lo ...