Crude-oil futures were trading somewhat lower Monday, after further cementation of a deal that could return some Iranian crude to the market and with weaker U.S. economic data and prospective Federal Reserve tapering of economic stimulus both on the agenda. Brent crude for February delivery was down 52 cents, or 0.5%, at $106.72 a barrel on ICE Futures Europe. U.S. crude-oil futures were down 57 cents at $92.15 a barrel on the New York Mercantile Exchange. Iran and six major powers reached an agreement over the weekend, which means a deal reached in November to curb Tehran’s nuclear program will come into force Jan. 20. Next Monday will therefore mark the start of a six to 12-month period in which the conditions for a final nuclear agreement must be fulfilled. In November Iran committed itself to eliminate its stocks of 20% enriched uranium within six months and limit the […]