Brent crude held steady above $56 a barrel on Wednesday, and U.S. crude rose briefly more than $1, after a smaller-than-expected rise in U.S. crude stocks was viewed by some as a sign that a supply glut was starting to abate. The gains in futures, however, were capped by a warning from the International Energy Agency (IEA) that ample global production would still swell world inventories before investment cuts begin to significantly dent output. “This all means a weak market in 2015 and even lower oil prices. U.S.