Some Recent Research Shows Technical Analysis May Have Some Value

Multiple Choice

Some recent research shows technical analysis may have some value.For example,Brown and Jennings (1989) show investors can learn something about other investors by observing prices at which securities trade - i.e.,prices reveal information and convey it.What other kinds of today's models open up the possibility of profitable trading strategies using technical analysis?

A) Arbitrage.
B) Trading Rules.
C) Short-interest.
D) Behavioral.