The market mood appears to have soured as the index futures slid early Friday, which is expected to be volatile due to the triple witching phenomena. There could be a lack of incentive to buy for want of any major Main Street catalysts,

Wall Street jumps to record highs as global markets cheer Fed rate cut.

Among top movers, FedEx slid 13% after the postal service company, often seen as a bellwether to the U.S. economy, reported a steep quarterly profit drop and lowered its full-year revenue forecast. Rival United Parcel Service slipped 2.4%.