Invesco S&P 500 Equal Weight ETF (NYSEARCA:RSP – Get Free Report) shares saw unusually-strong trading volume on Monday . Approximately 9,932,266 shares changed hands during mid-day trading, an increase of 55% from the previous session’s volume of 6,395,163 shares.The stock last traded at $167.25 and had previously closed at $166.39. Invesco S&P 500 Equal Weight […]