Even when I am busy with some office work, I like to have a 25-minute chart of a stock I am trading on an auxillary screen on the side of my desk. It gives me a sharper image of the market than a daily chart, without getting into a head-spininng detail of a 5-minute plot. The 25-min chart of the S&P cash, shown below, reveals the details of some of the recent turning points.