West Fraser Timber Co. Ltd. says it swung to a large profit in the third quarter on higher lumber prices.  The Vancouver-based forestry company says it earned $350 million or $5.09 per share for the three months ended Sept. 30, up from a loss of $45 million or 65 cents per share a year earlier.  Adjusted profits also surged, to $386 million or $5.63 per share, compared with a loss of $15 million or 22 cents per share in the third quarter of 2019.  Sales grew 42 per cent to $1 ...