The Nifty broke below the 8,000 level for the first time since Oct. 1, heading towards a sixth consecutive losing session after a private survey showed the manufacturing sector cooled to its slowest in nearly two years in October. The Nikkei Manufacturing Purchasing Managers' Index, compiled by Markit, fell to 50.7 in October from September's 51.2. The 50-mark divides expansion from contraction. Falls in Asian markets also dented sentiment after soft Chinese factory surveys and U.S. consumer...