Sept 29 (Reuters) - Blackrock's asset allocation head for Global Allocation Fund Russ Koesterich:
* Investors should be sensitive to information suggesting chances of U.S. recession increasing
* Chicago fed national activity index (CFNAI) recently fell back into negative territory
* "The economic - and by extension earnings - rebound that the market is expecting in the second half may not materialize"
* CFNAI is suggesting that, at the margin, "we should all be a bit more concerned" about the prospect of a recession Source text - bit.ly/2dxF0AL Further company coverage: