Investors in various debt mutual fund categories have taken a hit on account of the rise in the bond yields in the past few weeks. Long-term debt schemes, dynamic bond funds and Banking and PSU Debt schemes have shed 0.5%-2.4% in the past month or so. Bond yields and prices move in opposite directions; when yields rise, prices fall and vice versa.The rise in 10-year bond yields by 39 basis points since January 5 to 6.23% has hurt mutual funds in