Why Alkane, De Grey, Nufarm, and St Barbara shares are pushing higher

The S&P/ASX 200 Index (ASX: XJO) has just ended the week on a positive note. The benchmark index has risen 0.1% to 7,304 points.

Four ASX shares that climbed more than most today are listed below. Here’s why they were pushing higher:

Alkane Resources Limited (ASX:…