AF has more than once used the term 'the study was halted' for the trial.
Anyone who uses that term is either ignorant of the facts, or is distorting the reality. In either case, whatever they say should be treated with tons of caution.
"What is the difference between saying something like this on Twitter or on an Investors Board? "
He is the quote-un-quote Press. It is little different than some un sourced message board. He states these items as fact when it is assumed that his material is sourced because he is a "journalist".