Askstockguru.com notes that Sunpower Corporation is in a "bullish" phase right now. The site recommends waiting until the price drops back  down to 90.05/share if you are aggressive, and 78.6/share if you are conservative. The article also advises potential investors to:

Risk Management: Consider risking somewhere between 7.6785(7.95%) and 12.7975(13.25%) points on your position. Risk management is an important part of trading. Our risk management strategy is based on the average daily range of the stock.