Toyota Motor Corporation (NYSE:TM) stock rose on Thursday as investor scrutiny intensified over a contested tender offer involving a major affiliate of the company.Elliott Investment Management publicly challenged the revised terms, calling the price too low for minority holders.Toyota Motor said late Wednesday it had raised the buyout offer for the group company to 18,800 yen ($118.11) per share, up from 16,300 yen announced in June last year, as it moves forward with plans to take the unit private, CNBC r ...