I like when the data are presented in user friendly way. See below example that I just found online. Even simple technical indicators could be useful if they are in the easy to understand and analyze format. Source: NASDAQ 100 Quotes
Moving average sentiment is considered "Bullish" if moving average is above the last sale price of the NASDAQ 100 (^NDX). Respectfully "Bearish" moving average sentiment is read when moving average is below the last sale price of the NASDAQ 100 (^NDX).
NASDAQ 100 (^NDX) Quotes
As of Friday, August 14, 2009*
Technical NASDAQ 100 (^NDX) Indicators