June 26 -- Citigroup Inc., the bank that's posted the biggest losses from the collapse of the U.S. mortgage market, may take an additional $8.9 billion in net writedowns in the second quarter, Goldman Sachs Group Inc. said.
Goldman also lowered its rating on U.S. brokerages to ``neutral from ``attractive, saying the pace of deterioration in the industry ``appears to be far worse than it originally anticipated, according to a June 25 note.
``The turnaround in business trends that we had been expecting in the second half of 2008 may not occur as quickly as we should have thought, Goldman said. ``We see multiple headwinds for Citigroup, such as risks of further writedowns, higher consumer provisions, and the potential need for additional capital raisings, dividend cuts or asset sales, Goldman said