The Dow Jones Industrial Average and S&P 500 fell sharply on Tuesday and turned negative for the year as a decline in Target shares pressured retailers, while some of the most popular tech shares dropped again. The 30-stock Dow dropped 551.80 points to 24,465.64 and the S&P 500 plunged 1.8 percent to close at 2,641.89. The Dow and S&P 500 were up 1.2 percent and 0.6 percent, respectively, for 2018 entering Tuesday. Meanwhile, the Nasdaq Composite also dropped 1.7 percent to 6,908.82 but managed to hang on to a slight gain for 2018. Tuesday's declines come after the Dow dropped 395 points on Monday. Stocks hit their lows of the day after Doubleline Capital founder Jeffrey Gundlach said stocks are still too expensive, adding there has not been a "panic low" yet. The Dow was down nearly 650 points at its session low, while the S&P 500 and Nasdaq had both dropped more than 2 percent. Target fell 10.5 percent after reporting weaker-than-expected earnings for the previous quarter. The ...