"Investors are racing into higher-yielding junk bond funds at the fastest pace in four years, following a broad rally in equity and fixed income markets as concern that the US Federal Reserve will tighten policy this year is fading. US mutual and exchange traded funds that are invested in speculative bonds — those rated double B plus or lower by Standard & Poor’s or Fitch — counted $3.3bn of inflows in the week to Wednesday, the largest single weekly take since October 2011 and the second largest on record since 1992, according to fund tracker Lipper."
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