Nigeria has a nice recipe for growth, but the rule of law and rooting out corruption rank high on the foreign investor check list, CNN's John Defterios writes.
NEW YORK, May 7 (Reuters) - U.S. stocks rose at the open on Wednesday, on the heels of the biggest drop in the S&P 500 since mid-April, as earnings season winds down and ahead of congressional testimony from Federal Reserve Chair Janet Yellen. The...