Nifty extends rally; Will Nifty Sustain the 20k mark? Benchmark indices gained for the second week in a row and the Nifty settled above the key levels of 19,800 on the back of strong economic data. Markets have reacted positively to various announcements at the G-20 Summit. Globally, markets witnessed a volatile session with the biggest drag from Apple and a sell-off in chip stocks over...