CarMax ($KMX@US) shares dropped 4.8 percent in premarket trading after JPMarket downgraded the used car seller to underweight. Salesforce ($CRM@US) dropped 3 percent premarket after Bernstein downgraded it to underperform, citing that the software company was falling into “growth purgatory.” Coinbase ($COIN@US) dropped 3 percent premarket after Bank of America ($BAC@US) downgraded the cryptocurrency exchange. Tesla ($TSLA@US) shares rose 2 percent after the EV maker registered with the state of Texas to expand its factory in Austin. Goldman Sachs ($GS@US) named the stock a top pick for 2023.