Taiwan’s benchmark stock index slid nearly 4 percent Thursday as further evidence of a sharp downturn in the global economy hit shares of high-tech electronics exporters. The weighted price index of the Taiwan Stock Exchange fell 177.74 points, or 3.9 percent, to close at 4,437.83. As global growth slows, a major concern in Taiwan is China’s ability to absorb the island’s high tech exports, which feed electronics assembly operations on the mainland. Full Story