Hold the line, please <a href=" http://vervestudio.com.au/does-steel-libido-contain-yohimbe.pptx#halt ">what is steel libido used for</a> "The Federal Reserve remains quite concerned about the overall sluggishness of the economy, preferring to take the risk of being too loose for too long as opposed to tighten prematurely," said Mohamed El-Erian, co-chief investment officer at Pimco, which manages the world's largest mutual fund.