 Brought to you by Connect2Compete and the Ad Council. I'm Peter Schachnow, CNBC. Stocks are sliding to end the week amid mixed corporate earnings and a global software issue that's impacted multiple industries. The Dow is down 280 points at 40,385. The S&P 500 down three-tenths of a percent. The Nasdaq down a third of one percent. The S&P and Nasdaq both seeing their largest weekly declines in three months.