A recovery in the housing market could help revive the real estate industry.It's been a nerve-wracking August for investors.After the Federal Reserve closed July by maintaining the benchmark Fed funds rate at 5.25% to 5.5%, where it's been for over a year, investors have been clamoring for a do-over.The S&P 500 plunged 6% over the first three trading days of August as a raft of downbeat economic data convinced investors that the economy was weakening faster than expected and the Fed had erred in not lowerin ...