Until we see broad strength return to the market it's wise to invest more cautiously. It also means maintaining a watch list so that when market conditions improve you won't be caught throwing darts to decide what to buy. Amazon (NASDAQ:AMZN) reported another mixed quarterly report (revenues were up a strong 27% but it reported its first loss in years) although the stock found some good-volume support. We remain believers in this retail story and the firm's Kindle lineup and we advise sitting tight with your remaining shares. While it's had its share of ups and downs eBay (NASDAQ:EBAY) ...