Cairo, March 26 - Boosted by a bullish sentiment on the first day of the presidential polls, Egypt's main index rebounded above 17,000 points in early trade on Monday. The benchmark index EXG30 rose by 1.05 per cent to 17,163 points at 11:55 a.m. The broader EGX70 and EGX100 indices added 0.22 and 0.37 per cent to 875 and 2,237 points respectively. The nation's presidential polls started earlier in the morning.