Good morning, it's Wednesday, August 21st. I’m Lynn Norris and here are the Five Things You Must Know Before the Market Opens, presented by The Street: This briefing is brought to you by TD Ameritrade. Now, you can make trades, learn new investing concepts, and get real-time stock quotes just by messaging them on Facebook or Twitter. Plus, keep track of the market with just your voice by enabling the TD Ameritrade skill for Amazon Alexa. Visit tdameritrade.com/innovation. Member S-I-P-C.