Stock prices in the U.S. went up a little on Wednesday.

The S&P 500 went up a little, 0.4%. The Dow Jones also went up, 0.7%. The Nasdaq went up a little too, 0.3%.

Stock prices went up and down a lot today. People thought the U.S. and China might make a trade deal. This could be good for the world.

The U.S. and China will have important talks. People hoped for good news. But President Trump said the U.S. will not lower taxes on things from China. China wants the U.S. to lower taxes before they talk about trade.

Sometimes, rules about taxes on goods change. This makes the economy go up and down. People bought many things before the taxes went up. Some people are not happy about the future. But the Fed says the economy is still strong now.

Jerome Powell said the bank can wait to change interest rates.

We don't know many things, Powell said.

This is true because the trade war is changing, Powell said.

The Fed said taxes on goods can hurt the economy. It can make jobs harder to find and prices go up.

Powell said: "If taxes stay high, things will cost more, business will be slower, and some people will not have jobs."

This could be a problem for the economy.

Big US companies are making more money now than people thought.

Disney's price went up by a lot. They made more money than people thought. They also got many new customers for their streaming service.

Companies say it is hard to know how much money they will make because the economy is not good.

Marvell Technology shares went down 8%. They changed the date of their meeting for investors because the economy is not good.

The S&P 500 went up a little. The Dow Jones went up a lot. The Nasdaq went up a little too.

After the Fed talked, the price of government bonds went down a little. The price of a 10-year bond was 4.27% today. Yesterday, it was 4.30%.

Markets in Europe went down. Markets in Asia went up.