Here are some factors that may affect Middle East stock markets on Tuesday. Reuters has not verified the press reports and does not vouch for their accuracy.

INTERNATIONAL/REGIONAL

* GLOBAL MARKETS-Asian stocks drop as oil rises after Trump's Hormuz levy threat MKTS/GLOB

* Oil hits one-month high as US, Iran step up attacks in Strait of Hormuz O/R

* PRECIOUS-Gold recovers from two-week low ahead of US inflation figures GOL/

* MIDEAST STOCKS-Most Gulf markets retreat amid escalating hostilities .MIDEAST

* U.S. military renews strikes on Iran while tankers come under attack in Strait of Hormuz nL1N43F04O

* Houthis fire missiles at Saudi Arabia, breaking years of calm nL1N43F0BO

SAUDI ARABIA

* Riyadh Air studies orders for 25-30 Boeing 787s and more Airbus, sources say nL1N43F0HM

* I Squared to invest up to $2 billion in Saudi PIF's digital infrastructure and cooling plants nL4N43F0ZJ

UNITED ARAB EMIRATES

* ADNOC lowers August crude prices, offers alternative pricing for Fujairah-loading nL1N43F06C

* DP World plans UAE east coast port to bypass Strait of Hormuz, FT reports nFWN43F0I1

BAHRAIN

* Investcorp Says Portfolio Co Guardian Fire Services Completed Acquisition Of Midwest Protection Services nFWN43F133