Damn that Big Data! Herbalife's stock is tanking after the compan overstated its growth in new members due to “database scripting errors.” Active new members increased by 3.2% worldwide during the fourth quarter compared to the past year, not the 16.7% the company had previously reported on a February 25 conference call, according to a regulatory filing, Bloomberg reports.    Among other errors, the US active new members figure was corrected to 30.7% growth from 71%,...