The domestic equity barometers ended with deep cuts after a weak session on Wednesday. The Nifty closed tad below the 17,900 level after opening near the 18,100 mark. All the sectoral indices on the NSE ended in the red, with banks, financials and oil & gas stocks falling the most. Weak global cues and sluggish growth outlook from companies spooked investors. Trading was volatile on account of monthly options expiry.