Mine are based primarily on Triple Screen trading system - making strategic decisions in the longer timeframe and tactical decisions in the shorter timeframe.

我的方法建立在三重滤网交易系统的基础上——在长周期做策略决定，在短周期做战术决定。

youdao

New tactical trading plays will evolve quickly, while longer term strategies will evolve more slowly.

FORBES: Briefing Book: A. Michael Lipper

In my Covestor Tactical ETF Model, my primary trading vehicle was the iShares MSCI Spain ETF (NYSE:EWP), and my record on this trade was very much a mixed bag.

FORBES: Investment Outlook for 2013