Mumbai, March 13 -- The key equity indices closed with modest losses on Thursday as investors awaited the upcoming Federal Reserve decision, which is set to be announced next week. The Nifty ended below the 22,400 level after hitting the day's high of 22,558.05 in the morning trade. Trading was volatile due to the weekly Nifty50 F&O series expiry today.

Realty, media and auto shares declined while PSU bank and bank stocks edged higher.

As per provisional closing, the barometer index, the S&P BSE Sensex, declined 200.85 points or 0.27% to 73,828.91. The Nifty 50 index lost 73.30 points or 0.33%, to 22,397.20.

The broader market underperformed the frontline indices. The S&P BSE Mid-Cap index slipped 0.77% and the S&P BSE Small-Cap index ...