MIDEAST STOCKS-Egypt continues surge on currency devaluation; petchems boost Saudi

* Egypt up 15.6 percent since devaluation
* Heaviest trading volume since March
* Blue chips such as CIB, Global Telecom still favoured
* Saudi retail sector continues rebounding
* Savola hit by Egypt’s devaluation
By Andrew Torchia and Celine Aswad
CAIRO/DUBAI, Nov 7 (Reuters) – Egypt’s stock market rose sharply for a third day on Monday in response to the devaluation of the Egyptian pound which has raised hopes for capital inflows, while higher oil prices boosted petrochemic