Stock set out in mixed action Wednesday, as investors dealt with a whirl of company news and corporate earnings. The Nasdaq rose 0.1%. The S&P 500 slipped 0.1% and the Dow Jones industrial lagged 0.3%. Volume was down 8% on the Nasdaq and 11% lower on the NYSE compared with early Tuesday. The Nasdaq received a lift from Apple (AAPL), which rebounded 3% in heavy buying after dropping 7% in the past three sessions. Boeing (BA) gapped down more