The ASX200 is set to rise half a percent on Monday, following a subdued but generally positive day on the US stock market on Friday. After a choppy week, Wall Street ended its Friday session on a calmer note, absent of any significant economic reports or earnings. The S&P 500 and Nasdaq rose 0.4% and 0.5% respectively, while the Dow Jones increased 51 points, and all sectors ended in the green. Over on the ASX, Aurizon Holdings Ltd (ASX:AZJ) has announced an on-market share buyback of up to $150 million on the same day it reported an EBITDA (earnings before interest, tax, depreciation and amor…
