On the upside
Bargain hunters lifted shares of Arena Pharmaceuticals (Nasdaq: ARNA), whose stock price fell last week when the Food and Drug Administration approved Vivus' (Nasdaq: VVUS) competing obesity treatment Qsymia.
Eaton (NYSE: ETN) reported higher second quarter earnings even as revenue slipped.
On the downside
Teen apparel retailer Wet Seal (Nasdaq: WTSLA) fired chief executive Susan McGalla citing declining sales.
PetMed Express (Nasdaq: PETS) reported lower first quarter earnings and revenue that fell short of analyst expectations.
Deutsche Bank downgraded Akorn (Nasdaq: AKRX) to a Hold rating.
In the broad market, declining issues outpaced advancers by a margin of nearly 9 to 2 on both the NYSE and on Nasdaq. The Russell 2000 which tracks small cap stocks plunged 12 points to 779.