Egypt stocks tumbled Tuesday morning as demonstrations have been called for in Cairo to protest the summoning of a number of opposition activists by the country\'s top prosecutor. The main EGX30 index declined by 1.45 percent to sit at 5,155 points an hour into the session. The broader EGX70 also dropped, by 0.98 percent. Opposition plans to protest in front of High Court in Cairo on Tuesday after prosecutor-general summoned activists for their alleged incitement of clashes at Muslim Brotherhood HQ on Friday. Turnover marks a weak LE78 million so far, with 102 shares losing value and only 3 gaining.