iShares, BlackRock's ETF arm and the world's largest ETF provider, rolled out a bond fund focused on short term Treasury inflation-protected securities, or TIPs, zooming in on a part of the yield curve that many see as the place to be if this year's bond rally unravels. TIPs ETFs are not new, but the iShares Barclays 0-5 Year TIPS Bond Fund (NYSEArca:STIP) is the San Francisco-based company's first targeting the shortest end of the curve. TIPS Index Fund (NYSEArca:STPZ), which has been on the market for a bit more than a year.