The market activity witnessed an overall decline in volume, value and deals.
Meanwhile, investors traded 8.403 billion shares worth N115.501 billion in 115,801 transactions this week.
Mr Obi said the exodus of multinational companies from Nigeria had cost the country N95 trillion in the past five years.
The upturn was impacted by gains in the following stocks: Dangote Cement, BUA Foods, MRS Oil, Vitafoam and PZ Cussons.
BUA Foods was the toast of investors, exchanging 204.59 million shares valued at N10.06 billion.
BUA Cement led the losers’ chart by 10 per cent to close at N67.05 per share.
The market capitalisation closed on Friday at N22.060 trillion from N22.043 trillion achieved on Thursday.
The loss followed a sell pressure in Lafarge Africa and PZ Cussons.
The All-Share Index grew by 15.31 points or 0.04 per cent.
A breakdown of the price movement chart showed that 20 stocks posted price gains, relative to 16 losers.
