Top story: @StockMKTNewz: 'The SPDR S&amp;P 500 ETF $SPY is one of the most heavily traded securities in the market. Below is some info about $SPY showing the top 10 holdings which includes the likes of Microsoft $MSFT Appl… https://t.co/WcVbqjYOyj, see more https://t.co/n0N9i96D3w