* U.S. fiscal talks the big driver of markets globally * Boehner's comments only the latest headline to influence investors NEW YORK, Nov 29 (Reuters) - U.S. stocks and the euro rose on Thursday but remained pressured by comments from top Republican lawmaker John Boehner, who indicated no substantive progress in the last two weeks in talks to reach a U.S. budget deal. Boehner, the speaker of the U.S. House of Representatives, said he had no idea what compromises President Barack Oba