Stay out of Banks, Real Estate And Airlines, much too volatile and unpredictable ... too many in PBS Stocks in news and Market Volume Leaders for the day. Learn to use Investors Business Daily Newspaper, website is OK but costs a lot to use $150/yr.
There are LOCAL IBD Meetup Groups all over -- attend some of the meetings and watch what is going on. One thing for certain, no matter whose talking, commenting, or procrastinating, the IBD stock tables in newspaper and online tell the real story of immediate company performance, and buying opportunities.
Use Bigcharts.com // Interactive charts
-and-
MSN.com Money Investing Stocks (Company Report, News, and Research Wizard)
Those will greatly improve your odds.
I use Stockfetcher.com to generate company performance information charts ... little complex but falls in line with information presented at those ubiquitous TV Investment seminar promotion shows, but for a fraction of their cost. The past 3 years have been a disaster, but some sectors are starting to recover. Transportation and basic industries are leading the way... watch economic cycle chart leaders.
Minimum ... on stockfetcher ... watch Industries and Sectors performance ....watch Stochastic(70,20) convergence for buy and sell indicators ..
checkout FINVIZ.com also .. need a high speed connection but look at 3D map of markets ... really interesting concept.
Remember .... not whether you buy low .... but rather always sell higher on good performers leading their sector/group.