Which of the following is not a method employed by followers of technical analysis?

A) charting
B) relative strength analysis
C) earnings forecasting
D) trading around support and resistance levels

Technical analysis is a trading strategy that utilizes charts and past price and volume data to predict future market trends. Earnings forecasting, on the other hand, is a fundamental analysis technique that analyzes a company's financial statements to determine its future growth potential. Therefore, C is not a method employed by followers of technical analysis.