Canadian oil and gas shares tumbled and the country¡¯s main stock index hit a one-month low on Wednesday, after the leftwing New Democratic Party surged to power in the oil-rich province of Alberta on promises that included energy industry reforms.

¡°Even now our inboxes are filling with messages expressing something between disbelief and dismay,¡± analyst Andrew Bradford of Raymond James brokerage said after the party won an election on Tuesday to end 44 years of Conservative rule.

New Democrat Premier-elect Rachel Notley offered conciliatory words after her party swept to crushing victory, capitalizing on anger over the impact of the drop in oil prices on government programs.