The Bombay Stock Exchange benchmark Sensex regained the magical 19,000 points mark in opening trade today, extending its winning streak for the seventh straight session. The 30-share BSE index, which has gained over 1,297 points in the previous six trading sessions, moved up further by 185 points to 19,031 in opening trade. In a similar fashion, the wide-based National Stock Exchange Nifty index regained the 5,700-level by gaining 58 points to 5,705. Japan's Nikkei index was trading 0.48 per cent higher in early trade, while financial markets in Hong Kong were closed for a public holiday. The US Dow Jones Industrial Average ended 1.25 per cent higher in yesterday's trade.