DUBAI, Jan 19 (Reuters) - Here are some factors that may affect Middle East stock markets on Monday. Reuters has not verified the press reports and does not vouch of their accuracy.INTERNATIONAL/REGIONAL* GLOBAL MARKETS-Asian shares mostly higher, China retreats MKTS/GLOB* Oil prices dip on gloomy Chinese, European outlook O/R* MIDEAST STOCKS-Oil&aposs rebound, earnings lift Gulf; SABIC up despite