Sector like IT, cement, Petrochemical etc. If there is news on any particular companies/shares or on any sector then definitely there will be movement, if the news is appropriate.
During market hours also you have to keep alert about news. Always trade or select shares/companies which are involved in news. This is one of the easiest methods of tracking shares and doing trading on them.
Also it is also always better that do some study and research before starting your trading. For example note down today’s top gainers, top losers, and volume toppers etc and tomorrow keep a close watch on them this is also one method of selecting shares and trading on them.
One more very important point is you should be always aware about news like when company is declaring its dividend, companies merger plans, demerger plans, quarter results, major acquisitions, collaborations etc .
This type of news will definitely makes great movement on related company shares.