Healthcare stocks have jumped, but the easy money has already been made. Now, these companies have to offer strong profit outlooks to further boost their shares. The Health Care Select Sector SPDR ETF,

European shares ended Wednesday's choppy session higher, as a rise in healthcare companies GSK and Novo Nordisk following their upbeat quarterly results offset losses in carmaker stocks. The pan-European STOXX 600 index reversed early losses and settled up 0.

European stocks remained flat in early trading Wednesday, as gains in healthcare were counterbalanced by a decline in technology stocks. The pan-European STOXX 600 index edged down 0.07% at 0810 GMT.