Dollar rally plugs on, Tokyo boosted by soft yen

The dollar barrelled ever higher against most currencies Thursday, sitting at an eight-month high against the yen and hitting a record high against the Indian rupee. The surge in the greenback helped fuel another rally in Tokyo but traders in most other markets turned cautious after recent healthy gains. US investors gave their Asian colleagues another strong lead with the Dow hitting a new record on Wall Street after fresh data showed further improvement in the US economy and reinforced expecta