The Sensex at the Bombay Stock Exchange rose 127 points, or 0.8 per cent, to 16,859, within the first few minutes of trade Wednesday morning, on bargain-hunting by investors. At one point, the Sensex had gained as much as 269 points. Later, after briefly slipping into negative territory, the Sensex again rebounded, and stood 81 points, or 0.5 percent in positive territoy, at 16,812, in volatile trade, a short while ago. The Sensex had lost nearly 400 points in the past three trading sessions. Other Asian markets in Japan, Hong Kong, Singapore, South Korea, China, Japan, Indonesia and Taiwan were trading mixed, today, after disappointing quarterly euro-zone and German GDP growth reports reignited concerns about the global economy. The US Dow Jones Industrial Average had slipped 0.7 per cent, overnight.