The stock market today opened higher as the S&P 500 Index or SPX aims for a fourth straight winning week. Rivian (RIVN) earnings report indicated -$1.62 in EPS and $364M in revenue, beating the estimates. Rivian (RIVN) second quarter deliveries amounted to 4,467. Other electric vehicle stocks include Tesla (TSLA), Lucid (LCID), and Nio Inc. (NIO). Next, Jeff Pierce weighs in on Toast (TOST) earnings call that showed -$0.11 in EPS and $675M in revenue. The TOST stock price traded higher following the news. Also, D.A. Davidson initiated coverage of the Teladoc (TDOC) stock with a buy rating. The analyst stated that Teladoc has established itself as the leader in telehealth. Susquehanna cut the Expedia (EXPE) price target to $115 from $145. The analyst said that the EXPE stock’s risk versus reward is balanced at current levels. Finally, Pierce discusses the Lennar (LEN) stock being downgraded to neutral from outperform at Wedbush.