Update (9:43 a.m.): Updated with Wednesday market open information.
The stock was up 0.73% to $81.30 at 9:44 a.m. on Wednesday.
Strong demand drives results and gains for Boeing, Akamai and others.
But several airline and retail stocks are proving highly volatile.
Edwards Lifesciences' (EW) 2016 third quarter revenue fell short of analysts' estimates.