Stocks closed mixed on Wall Street. The SPX and NDX eked out gains and hit new all-time highs while the $DJI and RUT closed lower. Tesla (TSLA) was behind a lot of the weakness when it sold off more than 8% on the session. American Airlines (AAL) and Southwest Airlines (LUV) traded down after showing mixed earnings results. Intel (INTC) also posted earnings after hours that bolstered volatile reaction from investors. Marley Kayden takes investors through a turbulent Thursday in markets.