Brent oil a benchmark for Angola’s exports, for delivery in November opened up 4.14 percent, to around US$3.69, to US$92.84, in the session. At the close (Friday) it accumulated a weekly loss of 0.19 percent. WTI oil for October advanced 3.89 percent to $3.25 in the session, at $86.79 a barrel, but had a slight drop of 0.09 percent for the week. Against this backdrop, crude oil futures closed up about 4 percent on Friday,