Signs that interest rates would soon come down helped fuel the home flipper's rally.After breaking out in July, Opendoor Technologies (OPEN 0.98%) soared again in August, climbing on the thesis that the business would turn around on new signs that the Fed would cut interest rates. Investors also reacted positively to news that CEO Carrie Wheeler would be stepping down, showing hopes that a new leader could help drive a turnaround.That general momentum was able to overcome a weak second-quarter earnings repo ...