Mid-Day Market Top Gainer: Key Energy $KEGX, Sleep Number $SNBR, Chesapeake Energy $CHK, Immunomedics $IMMU, Cassava Sciences $SAVA, ProShares Ultra Bloomberg Crude Oil $UCO, and more... #stocks #StockMarket #Investment https://t.co/5JE2nlrW3B https://t.co/ILE77ITfLv