Investors showed caution through the morning ahead of the Federal Reserve's statement out this afternoon. Many hope the central bank will offer clues as to when it will next hike rates. Crude oil surged after a smaller-than-expected increase in inventories in the past week. A top energy watchdog reported a 1.3-million-barrel rise in supplies, more than half what some had expected. SunEdison (SUNE) plummeted after announcing it will delay the release of its 2015 annual report. The solar company said it is still finalizing its 10-K filing after an internal investigation surfaced accounting issues. Oracle (ORCL) jumped after boosting its share buyback program by $10 billion.