Reuters — U.S. soybean and wheat futures rose on Friday as estimates of smaller-than-expected U.S. plantings spurred buying. Corn bounced off a 9-1/2-month low to finish up on bargain-buying. Chicago Board of Trade May soybeans rose 7-1/2 cents or 0.9 per cent to $9.18-1/4 a bushel, racking up a fifth straight weekly gain (all figures