The Japanese yen rallied on Wednesday, while riskier currencies such as the Australian dollar and sterling fell as traders awaited US jobs data.The yen rose about 0.3% to 145.02 per dollar, following a 1% rally overnight against a broadly stronger dollar.The dollar-yen pair tends to track long-term US Treasury yields, which fell about 7 basis points (bps) overnight and continued to decline in Asian trading hours to stand at 3.8329%, as investors flocked to the safety of bonds.The dollar was firm against most other major peers.Sterling was flat at $1.3110, after weakening 0.23% overnight. The euro rose to $1.10495, following a 0.26% decline in the previous session.The Australian dollar fell 0.15% to $0.67015, having fallen 1.2 percent on Tuesday.Source: Qatar News Agency