With investors making a beeline to purchase stocks at rock-bottom levels, the benchmark Sensex vaulted by another 339 points on Friday. Bulls were aided by the sharp rise in global markets, including Wall Street, amidst waning concerns of a slowdown in the US economy.However, the Sensex came off the higher level in late trading after surging as much as 573.22 points, to a high of 10,118.28 at about 13:54 pm, to end the day with a gain of 339.45 points, or 3.5%, at 9,884.51. The S&P CNX Nifty rose 91.55 points, or 3.2%, to settle at 2,890.35.Key Asian markets, including Japan, Indonesia, South Korea and Singapore rose between 2-5% on Friday. There was bargain hunting on markets across the globe.With today’s rise, the Sensex has gained 955.07 points, or 10.6%, in the past two trading sessions from 8,929.44 on June 14. The trend over the past one month shows that domestic bourses now take direction primarily from global investor sentiment, which in turn is linked to outlook on global interest rates.Friday’s BSE gain was led by metal and software services firms with Tata Steel ending 11.7 per cent higher on firm metal prices, while top tech exporter Tata Consultancy Services rose 8.6 per cent on gains in the sector in the US. Index heavyweight Reliance Industries rose nearly 3 per cent to Rs 920.80.