AMD today warned that it will miss Q2 sales forecasts of $620m to $700m, its second downward revision in a fortnight. It now says it will pull in approx. $600m for the quarter ended June 30, 2002. Which means that its earlier warning of hefty operating loss for the quarter has just got a lot heftier. AMD’s warning is bad news for the PC industry (unless Intel is pulling an absolute blinder on the sly): two weeks ago, AMD changed its Q2 forecasts, initially set at $820m to $900m. The chipmaker reports its final results on July 17.