This round goes to Bill Ackman. Direct sales marketer Herbalife missed second quarter earnings estimates by two cents and the results are expected to batter the stock today. Excluding some items, Herbalife posted earnings of $1.55 a share, missing analysts’ estimates by 2 cents. The Los Angeles-based company also said yesterday that sales this year will grow by 8.5-10.5%, slower than the range of 10-12% it predicted in April. The dimmer forecast follows an assault last week by Ackman, a hedge-...