Biden White House watching closely as oil extends rise about $90 -a-barrel, Treasury Secretary says Treasury Secretary Janet Yellen on Monday said she thinks oil prices will stop rising but that the Biden administration is watching carefully. "My expectation is that they will stabilize, but we will just have to keep an eye on it," Yellen said in a CNBC interview Oil prices are at their highest level this year after three straight weekly gains pushed crude above $ 90 per barrel Asked if the administration was considering any action, Yellen said that President Joe Biden wants to make sure...