 A total of 99.94 billion Naira was pulled out by foreign investors from the Nigerian stock market in the first four months of this year, as foreign investment and foreign involvement plunged to a four-year low in April. The foreign portfolio investors injected 78.31 billion Naira into the market from January to April this year, according to data from the Nigerian Exchange Limited. Foreign portfolio investment outflows includes sales transactions or liquidation of portfolio investments through the stock market, while the FBI inflow includes purchase transactions on the NSE equities only, according to the Boers.