By Leika Kihara and Makiko Yamazaki TOKYO (Reuters) -The expected appointment of Satsuki Katayama as Japan's next finance minister could give markets cause to rethink pushing the yen too low, but might also help the country's new leader find fresh ways to fund bold economic stimulus plans. Japan's new prime minister Sanae Takaichi is likely to appoint Katayama as finance minister, local media reported on Tuesday, which would make her the first woman to hold the role. The report briefly pushed the dollar ...