It's been just over a year since I took profits on QuinStreet Inc. (NASDAQ: QNST ), and in that time, the shares have lost about 13% of their value against a gain of about 21% for the S&P 500. Given that I locked inI'm a quant investment newsletter writer who marries fundamental analysis with the latest research in momentum. Over the past few years, I’ve developed a piece of software that helps me track the level of optimism and pessimism embedded in stock price. I seek to challenge the assumptions embedded ...