Screening 52w highs and Lows for potential longs and shorts and waiting for the high volume reversal to signify a trend change. Not sexy ... down right boring ...but seems to work when I have the patience to follow it. I've stuck to ftse 100 cos of spreads etc. Only hassle is as far as I know you can't get daily 52w highs and lows online for Uk stocks not like Morningstar does for our transatlantic cousins.