U.S. stocks settled lower on Friday, with the S&P 500 falling over 1% during the session following a renewed tech-led sell-off. The S&P 500 fell 0.6% last week, while the 30-stock Dow gained 1.1% on the week.Wall Street analysts make new stock picks on a daily basis. Unfortunately for investors, not all analysts have particularly impressive track records at predicting market movements. Even when it comes to one single stock, analyst ratings and price targets can vary widely, leaving investors confused about ...