BALTIMORE ( Stockpickr) -- The calendar may have only just flipped over to 2011, but for hundreds of companies, one of the most crucial times of the year is just around the corner.I'm talking about earnings season. Earnings season is the period four times a year when the majority of publicly traded companies release their earnings data to the public. As a result, it's often one of the most volatile times of the year thanks to the buying and selling frenzies that take place once investors get a handle on a company's performance. That increased volatility across the board makes earnings season an especially good time to trade technically. Related: Technical Setups of the Week In case you're not familiar, technical analysis uses a stock's price movements to determine where shares are headed in the future. Technical charts are used every day by proprietary trading floors, the Street's biggest financial firms and individual investors to get an edge on the market. And according to some sources, skilled technical traders can bank gains as much as 90% of the time. Here's this week's look at how some of the biggest names on Wall Street are trading technically.