Keystone Financial Group bought a new position in Invesco S&P 500 Top 50 ETF (NYSEARCA:XLG – Free Report) in the 4th quarter, according to the company in its most recent 13F filing with the SEC. The firm bought 122,153 shares of the company’s stock, valued at approximately $4,608,000. Invesco S&P 500 Top 50 ETF accounts […] Read this story