Facebook took down the "Robinhood Stock Traders" group with 157K users; a notification said the group violated polices on "adult sexual exploitation" (Paresh Dave/Reuters)

Paresh Dave / Reuters:
Facebook took down the “Robinhood Stock Traders” group with 157K users; a notification said the group violated polices on “adult sexual exploitation”  —  (Reuters) - Facebook Inc took down a popular Wall Street discussion group, Robinhood Stock Traders …