Restoration Hardware To Join S&P MidCap 400 Index By: Benzinga via Benzinga April 05, 2016 at 08:52 AM EDT S&P Dow Jones Indices announced after Monday's market close that Restoration Hardware Holdings Inc (NYSE: RH) will be added to the S&P ... Read More >> Related Stocks: Microchip Technology Mid Cap SPDR 400 Trust, Series 1 S&P Midcap 400 Growth Ishares ETF S&P Midcap 400 Ishares Core ETF S&P Midcap 400 Value Ishares ETF S&P Midcap Value ETF SPDR Sentinelone Inc Cl A