Jim Cramer's top 10 things to watch in the stock market Tuesday

Group 1: Company Updates - Nvidia CEO Jensen Huang will participate in the Investing Club's October Monthly Meeting, discussing topics from OpenAI to hyperscaler spending [1] - Goldman Sachs upgraded Emcor to a hold rating from neutral, raising the price target to $675 from $495, citing accelerating data center revenue [2] - Jefferies downgraded Dollar Tree to a sell rating from hold, attributing the complexity of its business to inflation, management decisions, and tariffs [4] - Evercore downgraded several homebuilder stocks, including D.R. Horton and KB Home, due to a lack of observed homebuying demand despite previous optimism [5] - Citi downgraded GE Healthcare to hold from buy, cutting the price target to $83 from $93, citing concerns over mid-single-digit revenue growth [6] - Citi rated AppLovin a buy following a 14% decline in shares due to an SEC probe, with the stock still up over 80% year-to-date [7] - Wells Fargo raised the price target for Meta Platforms to $837 from $811, driven by strong ad sales prospects [8] - JPMorgan upgraded Brinker to a buy from hold after a sell-off, although the price target was reduced to $175 from $180 [10] Group 2: Market Conditions - Stocks are expected to open little changed as the federal government shutdown continues, with President Trump open to discussions with Democrats regarding healthcare subsidies [3] - There is ongoing buying activity in Palantir, with notable interest from Robinhood and Circle, indicating a buy-everything market trend [9]