The benchmark EGX30 dropped 4.15 percent, or 637.81 points, to end at 14,724.44 points.
The benchmark EGX30 dropped 0.49 percent, or 76.25 points, to end at 15,362.25 points.
Madbouli's remarks came during his meeting on Sunday with the ministers of petroleum, planning, finance, public business sector and trade, as well as Sovereign Fund of Egypt CEO Ayman Soliman.
The benchmark EGX30 inclined 3.14 percent, or 517.42 points, to end at 15,936.89 points.
The benchmark EGX30 increased 0.85 percent, or 138.69 points, to end at 16,454.31 points.