Whitehaven Coal has shrugged off worries about two years of weak coal prices by declaring its expansions are on track and that it plans to sell a stake in its Vickery project.

The NSW miner’s shares shot up on Tuesday after it said it sold 22 per cent more coal in 2013/14 than the previous year and hit better-than-expected record production levels. The stock climbed 7.5 cents, or five per cent, to $1.55. In a blow to the fierce protest campaign to…