MIDEAST STOCKS-Saudi surges as reforms announced, rest of Gulf weak

* Economic reform plan creates positive buzz * Trading volume highest since last August * Bank shares are main beneficiaries * Dubai's Mashreq bank falls after posting weaker earnings * Industries Qatar drops on net profit fall By Celine Aswad DUBAI, April 25 (Reuters) - Saudi Arabia's stock market recovered from early losses and jumped 2.5 percent on Monday as Deputy Crown Prince Mohammed bin Salman announced an economic overhaul for the oil-dependent kingdom. ...