* Suzuki chief says he feels 'so refreshed'
* VW welcomes clarity, says cooperation now ended
* German stake worth about $3.8 bln at Friday's close
* Investor Loeb wants Suzuki to cancel shares after buyback
* Suzuki shares flat in Tokyo after initial jump
(Adds Suzuki share reaction, analyst comment in paragraphs 6,
By Minami Funakoshi and Ritsuko Ando...More