The markets took another pounding during the week ending Nov. 21 as worries mounted about the mortgage market turmoil and its possible impact on the broader economy and as oil prices again neared $100 per barrel. The Dow Jones industrial average lost 432 points, or 3.3 percent, to close at 12,799, its lowest point since April. The Standard & Poor's 500 index plunged 3.7 percent to close at 1416.77, giving back all of its gains year-to-date. The Nasdaq index fell 3.1 percent, closing at 2562.15, also giving back all its year-to-date gains. The LABJ index of 200 local stocks fell 3.2 percent to 128.18, off 11 percent so far this year, as 144 stocks declined and only 32 stocks ...