The negative performance was due to selloffs in market heavyweights Dangote Cement and MTN Nigeria.
The issues border on non-existence of mutually negotiated exit benefits, discriminatory remuneration or benefits, inhumane retirement benefit.
The market negative performance was driven by price depreciation in large and medium capitalised stocks.
The approval in principle is the first step in the process towards the final approval by the apex bank.
MTN customers in Sokoto, Enugu, Oyo, Ogun, Plateau, Abuja, Lagos have confirmed service outages.
MTN’s company secretary, Uto Ukpanah, announced this in a notice on Friday, in Lagos.
Transactions on the nation’s bourse maintained a positive outlook on Tuesday, with the market capitalisation growing further by N163 billion, amid foreign investors’ interest.
The Nigerian stock market opened trading for the month of August on Monday with a growth of N30 billion.
The All-Share Index lost 46.93 points or 0.12 per cent to close at 38,802.15.