1.   Although traders bid the dollar higher after it lost ground early in the day, they remained wary of another round of dollar purchases by central banks.

2.   A lack of dollar purchases by the Bank of Japan also undermined the U.S. currency against the yen, traders said.

3.   Dollar purchases could weaken the peso.

4.   Four rounds of joint dollar purchases by the Federal Reserve and BOJ, twice in coordination with other central banks, helped lift the dollar.

5.   Fuji has seen substantial dollar purchases from Japanese life insurers, pension funds and investment houses this week, Griffin said.

6.   However, many traders and analysts doubt the central bank is considering dollar purchases now.

7.   However, the dollar rose against the deutsche marks amid prospects central banks might coordinate additional dollar purchases to bolster the currency.

8.   It later rebounded amid prospects that central banks could coordinate additional dollar purchases.

9.   It gained added impetus from concerted dollar purchases by the Bank of Japan and the Fed, accompanied in one case by the Bundesbank and the Swiss central bank.

10.   Last week the government blocked those dollar purchases.