WTI grows as inventories rise and U.S. deadlock persists

West Texas Intermediate slightly increased on Tuesday trading session, although it was traded close to its weakest level in almost a week as investors awaited for a report showing that inventories in the U.S. advanced and as deadlock about debt ceiling continued. WTI for delivery in November grew 32 cents to $103.35 on the NYMEX at 3:02 p.m. in Singapore.