The ASX200 is set to open flat on Tuesday, reflecting the US stock market’s unenthusiastic performance overnight. US stocks experienced a mixed session on Monday, following last week’s lows and then rebound. The S&P 500 closed muted, the Nasdaq rose 0.2% while the Dow Jones dropped 140 points. Investors are awaiting several important data releases this week – Consumer Price Index, Producer Price Index, retail sales and industrial production – which are hoped to clarify the state of the US economy. Over on the ASX, and reporting season continues. Building materials company James Hardie Industri…