United Airlines ($UAL@US) rose 1 percent in premarket trading on Monday after Morgan Stanley ($MS@US) upgraded it to overweight. Starbucks ($SBUX@US) shares fell 1.3 percent in premarket after Deutsche Bank ($DB@US) downgraded it to hold from buy. Silvergate Capital ($SI@US) dropped 3 percent in premarket after Morgan Stanley downgraded it to underweight, saying a “high level of uncertainty” remains around the stock following the FTX collapse. MGM ($MGM@US) jumped 3 percent after Truist ($TFC@US) upgraded it to buy.