Cotton:  Net Upland sales reductions of 55,400 running bales resulted as increases for Vietnam (5,900 RB, including 200 RB switched from Japan), Thailand (5,600 RB, including 500 RB switched from Japan), South Korea (4,400 RB), Bangladesh (4,000 RB), Mexico (3,600 RB, switched from Colombia), and Ecuador (3,600 RB, including 3,100 RB switched from Brazil), were more than offset by decreases for China (56,400 RB), Turkey (19,400 RB), Brazil (3,700 RB), and Colombia (2,600 RB).   Net sales of 231,600 RB for delivery in 2011/12 were mainly for Turkey (91,500 RB), Vietnam (22,000 RB), China (20,000 RB), Brazil (17,600 RB), and Indonesia (17,600 RB).  Exports of 311,800 RB--a marketing-year low--were down 34 percent from the previous week and 29 percent from the prior 4-week average.  The primary destinations were China (76,700 RB), Turkey (34,700 RB), Indonesia (31,100 RB), Mexico (23,600 RB), Thailand (23,400 RB), and Brazil (18,100 RB).  Net American Pima sales of 5,300 RB were down 3 percent from the previous week and 22 percent from the prior 4-week average.  Increases were reported for South Korea (1,500 RB), China (1,500 RB), India (700 RB), and Pakistan (500 RB).  Net sales of 6,000 RB for delivery in 2011/12 were mainly for China (2,600 RB) and India (2,200 RB).  Exports of 14,400 RB were primarily to China (4,900 RB), India (4,100 RB), Germany (1,200 RB), and Thailand (1,100 RB).